diff --git a/make/jvm/pom.xml b/make/jvm/pom.xml
index 0fa5e8ff..1e9103a3 100644
--- a/make/jvm/pom.xml
+++ b/make/jvm/pom.xml
@@ -28,7 +28,7 @@ SOFTWARE.
   <artifactId>jvm</artifactId>
   <version>1.0-SNAPSHOT</version>
   <properties>
-    <eo.version>0.49.4</eo.version>
+    <eo.version>0.50.0</eo.version>
     <stack-size>32M</stack-size>
     <heap-size>2G</heap-size>
   </properties>
diff --git a/objects/org/eolang/bytes.eo b/objects/org/eolang/bytes.eo
index d61d0400..c4924fa8 100644
--- a/objects/org/eolang/bytes.eo
+++ b/objects/org/eolang/bytes.eo
@@ -24,9 +24,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # The object encapsulates a chain of bytes, adding a few
 # convenient operations to it. Objects like `int`, `string`,
@@ -55,7 +55,7 @@
             error
               sprintf
                 "Can't convert non 8 length bytes to a number, bytes are %x"
-                *
+                * ^
 
   # Equals to another object.
   [b] > eq /org.eolang.bool
diff --git a/objects/org/eolang/cti.eo b/objects/org/eolang/cti.eo
index e2ad543e..f0501b7b 100644
--- a/objects/org/eolang/cti.eo
+++ b/objects/org/eolang/cti.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # Compile Time Instruction (CTI).
 #
diff --git a/objects/org/eolang/dataized.eo b/objects/org/eolang/dataized.eo
index d2934368..3a35ce0a 100644
--- a/objects/org/eolang/dataized.eo
+++ b/objects/org/eolang/dataized.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # The object dataizes `target`, makes new instance of `bytes` from given data and behaves as result
 # `bytes`.
diff --git a/objects/org/eolang/error.eo b/objects/org/eolang/error.eo
index 53c35018..f360074c 100644
--- a/objects/org/eolang/error.eo
+++ b/objects/org/eolang/error.eo
@@ -23,9 +23,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # This object must be used in order to terminate the program
 # due to an error. Just make a copy of it with any encapsulated object.
diff --git a/objects/org/eolang/false.eo b/objects/org/eolang/false.eo
index 153587b7..a80534dc 100644
--- a/objects/org/eolang/false.eo
+++ b/objects/org/eolang/false.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # The object is a FALSE boolean state.
 [] > false
diff --git a/objects/org/eolang/fs/dir.eo b/objects/org/eolang/fs/dir.eo
index 496ed190..efbc6ae9 100644
--- a/objects/org/eolang/fs/dir.eo
+++ b/objects/org/eolang/fs/dir.eo
@@ -24,9 +24,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.fs
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # Directory in the file system.
 # Apparently every directory is a file.
@@ -40,10 +40,9 @@
     if. > @
       ^.exists
       ^
-      seq
-        *
-          mkdir
-          ^
+      seq *
+        mkdir
+        ^
 
     # Makes a directory together with all required
     # parent directories.
@@ -64,10 +63,9 @@
     walked.length > len!
     if. > @
       ^.exists
-      seq
-        *
-          rec-delete walked 0
-          ^
+      seq *
+        rec-delete walked 0
+        ^
       ^
 
     # Deletes files and directories in current directory recursively.
@@ -79,12 +77,11 @@
       if. > @
         ^.len.eq index
         true
-        seq
-          *
-            tup.tail.deleted.exists
-            ^.rec-delete
-              tup.head
-              index.plus 1
+        seq *
+          tup.tail.deleted.exists
+          ^.rec-delete
+            tup.head
+            index.plus 1
 
   # Creates an empty temporary file in the current directory.
   [] > tmpfile
diff --git a/objects/org/eolang/fs/file.eo b/objects/org/eolang/fs/file.eo
index b6e76654..2dc4d608 100644
--- a/objects/org/eolang/fs/file.eo
+++ b/objects/org/eolang/fs/file.eo
@@ -24,9 +24,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.fs
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # The file object in the filesystem.
 [path] > file
@@ -45,10 +45,9 @@
     if. > @
       ^.exists
       ^
-      seq
-        *
-          touch
-          ^
+      seq *
+        touch
+        ^
 
     # Creates new empty file.
     #
@@ -61,10 +60,9 @@
   [] > deleted
     if. > @
       ^.exists
-      seq
-        *
-          delete
-          ^
+      seq *
+        delete
+        ^
       ^
 
     # Deletes the file and returns `true`.
@@ -156,23 +154,20 @@
             sprintf
               "File must exist for given access mod: '%s'"
               * access
-          seq
-            *
-              ^.touched.touch
-              process-file
-              ^
+          seq *
+            ^.touched.touch
+            process-file
+            ^
         if.
           truncate
-          seq
-            *
-              ^.deleted.delete
-              ^.touched.touch
-              process-file
-              ^
-          seq
-            *
-              process-file
-              ^
+          seq *
+            ^.deleted.delete
+            ^.touched.touch
+            process-file
+            ^
+          seq *
+            process-file
+            ^
 
     # Process current file in the provided scope.
     #
@@ -219,10 +214,9 @@
                     sprintf
                       "Can't read from file with provided access mode '%s'"
                       * ^.^.^.^.^.access
-                seq
-                  *
-                    read-bytes
-                    ^.^.input-block read-bytes
+                seq *
+                  read-bytes
+                  ^.^.input-block read-bytes
 
         # Bytes read from file input stream
         #
@@ -261,10 +255,9 @@
                     sprintf
                       "Can't write to file with provided access mode '%s'"
                       * ^.^.^.^.^.access
-                seq
-                  *
-                    ^.^.written-bytes buffer
-                    ^.^.output-block
+                seq *
+                  ^.^.written-bytes buffer
+                  ^.^.output-block
 
         # Bytes written to file output stream.
         #
diff --git a/objects/org/eolang/fs/path.eo b/objects/org/eolang/fs/path.eo
index bbaf744f..c7bad457 100644
--- a/objects/org/eolang/fs/path.eo
+++ b/objects/org/eolang/fs/path.eo
@@ -27,7 +27,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.fs
-+version 0.49.4
++version 0.50.0
 
 # A `path` represents a path that is hierarchical and composed of a sequence of
 # directory and file name elements separated by a special separator or delimiter.
diff --git a/objects/org/eolang/fs/tmpdir.eo b/objects/org/eolang/fs/tmpdir.eo
index c71101d5..55ec04b1 100644
--- a/objects/org/eolang/fs/tmpdir.eo
+++ b/objects/org/eolang/fs/tmpdir.eo
@@ -27,7 +27,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.fs
-+version 0.49.4
++version 0.50.0
 
 # Temporary directory.
 # For Unix/MacOS uses the path supplied by the first environment variable
diff --git a/objects/org/eolang/go.eo b/objects/org/eolang/go.eo
index 7e74f0f5..bd11866f 100644
--- a/objects/org/eolang/go.eo
+++ b/objects/org/eolang/go.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # Non-conditional forward and backward jumps.
 # Forward jump instantly returns provided object to `g.forward` without touching
diff --git a/objects/org/eolang/i16.eo b/objects/org/eolang/i16.eo
index 25c4792c..42dccb80 100644
--- a/objects/org/eolang/i16.eo
+++ b/objects/org/eolang/i16.eo
@@ -24,9 +24,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # The 16 bits signed integer.
 # Here `as-bytes` must be a `bytes` object.
diff --git a/objects/org/eolang/i32.eo b/objects/org/eolang/i32.eo
index 78d37cc2..7ef6898f 100644
--- a/objects/org/eolang/i32.eo
+++ b/objects/org/eolang/i32.eo
@@ -24,9 +24,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # The 32 bits signed integer.
 # Here `as-bytes` must be a `bytes` object.
diff --git a/objects/org/eolang/i64.eo b/objects/org/eolang/i64.eo
index 9d758587..f42fd358 100644
--- a/objects/org/eolang/i64.eo
+++ b/objects/org/eolang/i64.eo
@@ -24,9 +24,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # The 64 bits signed integer.
 # Here `as-bytes` must be a `bytes` object.
diff --git a/objects/org/eolang/io/bytes-as-input.eo b/objects/org/eolang/io/bytes-as-input.eo
index 3ff16ea9..071314aa 100644
--- a/objects/org/eolang/io/bytes-as-input.eo
+++ b/objects/org/eolang/io/bytes-as-input.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # Makes an `input` from bytes.
 # Here `bts` is sequence of bytes or an object that can be dataized
diff --git a/objects/org/eolang/io/console.eo b/objects/org/eolang/io/console.eo
index 7a4fa897..cbefc5aa 100644
--- a/objects/org/eolang/io/console.eo
+++ b/objects/org/eolang/io/console.eo
@@ -26,7 +26,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # The `console` object is basic I/O object that allows to
 # interact with operation system console.
@@ -116,10 +116,9 @@
               "read"
               * posix.stdin-fileno size
           self. > @
-            seq
-              *
-                read-bytes
-                ^.^.input-block read-bytes
+            seq *
+              read-bytes
+              ^.^.input-block read-bytes
 
     # Write given `buffer` to console.
     # Here `buffer` is either sequence of bytes or and object that can be
@@ -140,13 +139,12 @@
         # Returns new instance of `output-block` ready to write again.
         [buffer] > write
           self. > @
-            seq
-              *
-                code.
-                  posix
-                    "write"
-                    * posix.stdout-fileno buffer buffer.size
-                ^.^.output-block
+            seq *
+              code.
+                posix
+                  "write"
+                  * posix.stdout-fileno buffer buffer.size
+              ^.^.output-block
 
   # Windows console.
   # It uses kernel32.dll system function calls to read/write standard inputs/outputs.
@@ -174,10 +172,9 @@
               "ReadFile"
               * win32.std-input-handle size
           self. > @
-            seq
-              *
-                read-bytes
-                ^.^.input-block read-bytes
+            seq *
+              read-bytes
+              ^.^.input-block read-bytes
 
     # Write given `buffer` to console.
     # Here `buffer` is either sequence of bytes or and object that can be
@@ -198,10 +195,9 @@
         # Returns new instance of `output-block` ready to write again.
         [buffer] > write
           self. > @
-            seq
-              *
-                code.
-                  win32
-                    "WriteFile"
-                    * win32.std-output-handle buffer buffer.size
-                ^.^.output-block
+            seq *
+              code.
+                win32
+                  "WriteFile"
+                  * win32.std-output-handle buffer buffer.size
+              ^.^.output-block
diff --git a/objects/org/eolang/io/dead-input.eo b/objects/org/eolang/io/dead-input.eo
index 24bd079b..fd0fa28f 100644
--- a/objects/org/eolang/io/dead-input.eo
+++ b/objects/org/eolang/io/dead-input.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # Dead input is an input that reads from nowhere and always
 # returns empty sequence of bytes `--`.
diff --git a/objects/org/eolang/io/dead-output.eo b/objects/org/eolang/io/dead-output.eo
index 4b273881..4432d081 100644
--- a/objects/org/eolang/io/dead-output.eo
+++ b/objects/org/eolang/io/dead-output.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # Dead output is an output that writes to nowhere.
 [] > dead-output
diff --git a/objects/org/eolang/io/input-length.eo b/objects/org/eolang/io/input-length.eo
index 2e2583ed..17f11ff9 100644
--- a/objects/org/eolang/io/input-length.eo
+++ b/objects/org/eolang/io/input-length.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # Reads all the bytes from provided `input` and returns its length.
 [input] > input-length
diff --git a/objects/org/eolang/io/malloc-as-output.eo b/objects/org/eolang/io/malloc-as-output.eo
index 79bfc504..a0cb08f6 100644
--- a/objects/org/eolang/io/malloc-as-output.eo
+++ b/objects/org/eolang/io/malloc-as-output.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # Makes an output from allocated block in memory.
 # Here `allocated` is `malloc.of.allocated` object.
@@ -65,8 +65,7 @@
       # Returns new instance of `output-block` ready to write again.
       [buffer] > write
         self. > @
-          seq
-            *
-              ^.^.^.allocated.write offset buffer
-              ^.^.output-block
-                offset.plus buffer.size
+          seq *
+            ^.^.^.allocated.write offset buffer
+            ^.^.output-block
+              offset.plus buffer.size
diff --git a/objects/org/eolang/io/stdin.eo b/objects/org/eolang/io/stdin.eo
index e935a64e..ca28f825 100644
--- a/objects/org/eolang/io/stdin.eo
+++ b/objects/org/eolang/io/stdin.eo
@@ -25,7 +25,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # The `stdin` object is a convenient wrapper on `console` object
 # which is used as input only and allows to read the data from console.
diff --git a/objects/org/eolang/io/stdout.eo b/objects/org/eolang/io/stdout.eo
index c5c83873..32c87545 100644
--- a/objects/org/eolang/io/stdout.eo
+++ b/objects/org/eolang/io/stdout.eo
@@ -24,7 +24,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # The `stdout` object is convenient wrapper on `console` object which
 # uses it as output only and allows to print given argument to console as `string`:
@@ -36,7 +36,6 @@
 #
 # Here the "Hello, world!" string is printed to operation system console.
 [text] > stdout
-  seq > @
-    *
-      console.write text
-      true
+  seq * > @
+    console.write text
+    true
diff --git a/objects/org/eolang/io/tee-input.eo b/objects/org/eolang/io/tee-input.eo
index eb77560c..aba9e5a3 100644
--- a/objects/org/eolang/io/tee-input.eo
+++ b/objects/org/eolang/io/tee-input.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # Tee input is an input that reads from provided `input`,
 # writes to provided `output` and behaves as provided `input`.
@@ -66,10 +66,9 @@
         (^.input.read size).read.^ > read-bytes
         (^.output.write read-bytes).write.^ > written-bytes
         self. > @
-          seq
-            *
+          seq *
+            written-bytes
+            ^.^.input-block
+              read-bytes
               written-bytes
-              ^.^.input-block
-                read-bytes
-                written-bytes
-                read-bytes.as-bytes
+              read-bytes.as-bytes
diff --git a/objects/org/eolang/malloc.eo b/objects/org/eolang/malloc.eo
index 5e6d4852..34306801 100644
--- a/objects/org/eolang/malloc.eo
+++ b/objects/org/eolang/malloc.eo
@@ -23,9 +23,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # The `malloc` object is an abstraction of a storage of data in heap
 # memory. The implementation of `malloc` is platform dependent. It may
@@ -94,10 +94,9 @@
     malloc.of > @
       bts.size
       [m] >>
-        seq > @
-          *
-            m.write 0 ^.bts
-            ^.scope m
+        seq * > @
+          m.write 0 ^.bts
+          ^.scope m
 
   # Allocates block in memory of given `size`. After allocation the `size` zero bytes bytes are
   # written into memory.
@@ -134,7 +133,6 @@
 
       # Put `object` into the allocated block in memory. The `object` is supposed to be dataizable.
       [object] > put
-        seq > @
-          *
-            ^.write 0 object
-            ^.get
+        seq * > @
+          ^.write 0 object
+          ^.get
diff --git a/objects/org/eolang/math/angle.eo b/objects/org/eolang/math/angle.eo
index ff6cc214..6c08d0d2 100644
--- a/objects/org/eolang/math/angle.eo
+++ b/objects/org/eolang/math/angle.eo
@@ -24,9 +24,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.math
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # The angle.
 [value] > angle
diff --git a/objects/org/eolang/math/e.eo b/objects/org/eolang/math/e.eo
index 4460d62a..54263449 100644
--- a/objects/org/eolang/math/e.eo
+++ b/objects/org/eolang/math/e.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.math
-+version 0.49.4
++version 0.50.0
 
 # The Euler's number.
 2.7182818284590452354 > e
diff --git a/objects/org/eolang/math/integral.eo b/objects/org/eolang/math/integral.eo
index c67c8017..fcfb5c54 100644
--- a/objects/org/eolang/math/integral.eo
+++ b/objects/org/eolang/math/integral.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.math
-+version 0.49.4
++version 0.50.0
 
 # Counts integral from `a` to `b`.
 # Here `func` is integration function, `a` is an upper limit,
@@ -53,22 +53,20 @@
           [left] >>
             ^.^.b > right
             ((right.minus left).div ^.^.n).as-number > step
-            seq > @
-              *
-                while
-                  [i] >>
-                    if. > @
-                      (^.left.as-number.plus ^.step).lt ^.right
-                      seq
-                        *
-                          ^.^.sum.put
-                            ^.^.sum.as-number.plus
-                              ^.^.^.subsection
-                                ^.left.as-number
-                                ^.left.as-number.plus ^.step
-                          ^.left.put
+            seq * > @
+              while
+                [i] >>
+                  if. > @
+                    (^.left.as-number.plus ^.step).lt ^.right
+                    seq *
+                      ^.^.sum.put
+                        ^.^.sum.as-number.plus
+                          ^.^.^.subsection
+                            ^.left.as-number
                             ^.left.as-number.plus ^.step
-                          true
-                      false
-                  true > [i]
-                sum
+                      ^.left.put
+                        ^.left.as-number.plus ^.step
+                      true
+                    false
+                true > [i]
+              sum
diff --git a/objects/org/eolang/math/numbers.eo b/objects/org/eolang/math/numbers.eo
index 935bd19b..328ea981 100644
--- a/objects/org/eolang/math/numbers.eo
+++ b/objects/org/eolang/math/numbers.eo
@@ -24,7 +24,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.math
-+version 0.49.4
++version 0.50.0
 
 # Sequence of numbers.
 # Here `sequence` must be a `tuple` or any `tuple` decorator of `number` objects.
diff --git a/objects/org/eolang/math/pi.eo b/objects/org/eolang/math/pi.eo
index 6114c773..6d01e3c7 100644
--- a/objects/org/eolang/math/pi.eo
+++ b/objects/org/eolang/math/pi.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.math
-+version 0.49.4
++version 0.50.0
 
 # Returns an approximate PI number.
 3.14159265358979323846 > pi
diff --git a/objects/org/eolang/math/random.eo b/objects/org/eolang/math/random.eo
index e2e9513f..ec3c3f51 100644
--- a/objects/org/eolang/math/random.eo
+++ b/objects/org/eolang/math/random.eo
@@ -26,7 +26,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.math
-+version 0.49.4
++version 0.50.0
 
 # Generates a pseudo-random number.
 [seed] > random
diff --git a/objects/org/eolang/math/real.eo b/objects/org/eolang/math/real.eo
index 40e5b3dd..3df18d21 100644
--- a/objects/org/eolang/math/real.eo
+++ b/objects/org/eolang/math/real.eo
@@ -24,9 +24,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.math
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # Returns a floating point number.
 [num] > real
diff --git a/objects/org/eolang/nan.eo b/objects/org/eolang/nan.eo
index 6ef10747..72b8f475 100644
--- a/objects/org/eolang/nan.eo
+++ b/objects/org/eolang/nan.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # Not a number.
 [] > nan
diff --git a/objects/org/eolang/negative-infinity.eo b/objects/org/eolang/negative-infinity.eo
index 7cbb9fd5..20dc6024 100644
--- a/objects/org/eolang/negative-infinity.eo
+++ b/objects/org/eolang/negative-infinity.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # Negative infinity.
 [] > negative-infinity
diff --git a/objects/org/eolang/net/socket.eo b/objects/org/eolang/net/socket.eo
index 06cb65ea..58cf8ee9 100644
--- a/objects/org/eolang/net/socket.eo
+++ b/objects/org/eolang/net/socket.eo
@@ -27,7 +27,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.net
-+version 0.49.4
++version 0.50.0
 
 # Socket.
 #
@@ -120,10 +120,9 @@
         [size] > read
           (^.^.^.recv size).as-bytes > read-bytes
           self. > @
-            seq
-              *
-                read-bytes
-                ^.^.input-block read-bytes
+            seq *
+              read-bytes
+              ^.^.input-block read-bytes
 
   # Makes an `output` from posix socket.
   # The object allows to use `socket` as output stream and `write` to it sequentially.
@@ -151,10 +150,9 @@
         # Returns new instance of `output-block` ready to write again.
         [buffer] > write
           self. > @
-            seq
-              *
-                ^.^.^.send buffer
-                ^.^.output-block
+            seq *
+              ^.^.^.send buffer
+              ^.^.output-block
 
   # Posix platform specified socket.
   #
diff --git a/objects/org/eolang/number.eo b/objects/org/eolang/number.eo
index 611827f0..7dd19549 100644
--- a/objects/org/eolang/number.eo
+++ b/objects/org/eolang/number.eo
@@ -23,9 +23,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # The `number` object is an abstraction of a 64-bit floating-point
 # number that internally is a chain of eight bytes.
diff --git a/objects/org/eolang/positive-infinity.eo b/objects/org/eolang/positive-infinity.eo
index 8f908f04..8a1ca334 100644
--- a/objects/org/eolang/positive-infinity.eo
+++ b/objects/org/eolang/positive-infinity.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # Positive infinity.
 [] > positive-infinity
diff --git a/objects/org/eolang/seq.eo b/objects/org/eolang/seq.eo
index 6bf32e03..944fe75a 100644
--- a/objects/org/eolang/seq.eo
+++ b/objects/org/eolang/seq.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # Sequence.
 # The object, when being dataized, dataizes all provided
diff --git a/objects/org/eolang/string.eo b/objects/org/eolang/string.eo
index 43c15ffa..e554a025 100644
--- a/objects/org/eolang/string.eo
+++ b/objects/org/eolang/string.eo
@@ -24,7 +24,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # The `string` object is an abstraction of a text string, which
 # internally is a chain of bytes.
diff --git a/objects/org/eolang/structs/bytes-as-array.eo b/objects/org/eolang/structs/bytes-as-array.eo
index c5cf3a81..47a2997e 100644
--- a/objects/org/eolang/structs/bytes-as-array.eo
+++ b/objects/org/eolang/structs/bytes-as-array.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # Represents sequence of bytes as array.
 # Here `bts` is `bytes` objects, the return value is `tuple` where
diff --git a/objects/org/eolang/structs/hash-code-of.eo b/objects/org/eolang/structs/hash-code-of.eo
index 283df182..28005240 100644
--- a/objects/org/eolang/structs/hash-code-of.eo
+++ b/objects/org/eolang/structs/hash-code-of.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # Hash code - the pseudo-unique float numeric
 # representation of an object.
diff --git a/objects/org/eolang/structs/list.eo b/objects/org/eolang/structs/list.eo
index 6890254a..f25cc7f1 100644
--- a/objects/org/eolang/structs/list.eo
+++ b/objects/org/eolang/structs/list.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # List implements based operations on collections like reducing, mapping, filtering, etc.
 # Decorates and extends `tuple`.
@@ -111,10 +111,9 @@
     ^.reducedi > @
       true
       [acc item index] >>
-        seq > @
-          *
-            acc
-            ^.func item index
+        seq * > @
+          acc
+          ^.func item index
 
   # For each collection element dataize the object
   # Here "func" must be an abstract object with
diff --git a/objects/org/eolang/structs/map.eo b/objects/org/eolang/structs/map.eo
index 2684a337..a1a227dd 100644
--- a/objects/org/eolang/structs/map.eo
+++ b/objects/org/eolang/structs/map.eo
@@ -26,7 +26,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # Hash-map.
 # Here `pairs` must be a `tuple` of `tuple`s where each sub-tuple consists of 2
diff --git a/objects/org/eolang/structs/range-of-ints.eo b/objects/org/eolang/structs/range-of-ints.eo
index c9dbbda2..a3351a1b 100644
--- a/objects/org/eolang/structs/range-of-ints.eo
+++ b/objects/org/eolang/structs/range-of-ints.eo
@@ -24,7 +24,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # Range of integers from `start` to `end` (soft border) with step = 1.
 # Here `start` and `end` must be `int`s. If they're not - an error will
diff --git a/objects/org/eolang/structs/range.eo b/objects/org/eolang/structs/range.eo
index 39ec3bff..abde9ef7 100644
--- a/objects/org/eolang/structs/range.eo
+++ b/objects/org/eolang/structs/range.eo
@@ -24,7 +24,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # Range - create a `list` containing a range of elements
 # Here `start` must be a abstract object that must have an object `next` to get
diff --git a/objects/org/eolang/structs/set.eo b/objects/org/eolang/structs/set.eo
index b7e189d0..6837102b 100644
--- a/objects/org/eolang/structs/set.eo
+++ b/objects/org/eolang/structs/set.eo
@@ -25,7 +25,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # Set - is an unordered `list` of unique objects.
 [lst] > set
diff --git a/objects/org/eolang/switch.eo b/objects/org/eolang/switch.eo
index 45072bec..1607d1fc 100644
--- a/objects/org/eolang/switch.eo
+++ b/objects/org/eolang/switch.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # The object allows to choose right options according to cases conditions.
 # Parameter cases is the array of two dimensional array, which
diff --git a/objects/org/eolang/sys/getenv.eo b/objects/org/eolang/sys/getenv.eo
index 5c380c78..d87fff6b 100644
--- a/objects/org/eolang/sys/getenv.eo
+++ b/objects/org/eolang/sys/getenv.eo
@@ -26,7 +26,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.sys
-+version 0.49.4
++version 0.50.0
 
 # Get environment variable as `string`.
 # If return `string` is empty - the variable does not exist.
diff --git a/objects/org/eolang/sys/line-separator.eo b/objects/org/eolang/sys/line-separator.eo
index a763b517..ba1721f0 100644
--- a/objects/org/eolang/sys/line-separator.eo
+++ b/objects/org/eolang/sys/line-separator.eo
@@ -24,7 +24,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.sys
-+version 0.49.4
++version 0.50.0
 
 # Returns the system-dependent line separator string.
 # On UNIX systems, it returns "\n";
diff --git a/objects/org/eolang/sys/os.eo b/objects/org/eolang/sys/os.eo
index 4c2a9a5b..e6569aac 100644
--- a/objects/org/eolang/sys/os.eo
+++ b/objects/org/eolang/sys/os.eo
@@ -24,9 +24,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.sys
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # Represents the name of the operating system.
 [] > os
diff --git a/objects/org/eolang/sys/posix.eo b/objects/org/eolang/sys/posix.eo
index fe60f82c..9153518f 100644
--- a/objects/org/eolang/sys/posix.eo
+++ b/objects/org/eolang/sys/posix.eo
@@ -23,9 +23,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.sys
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # Makes a Unix syscall by name with POSIX interface.
 # See https://filippo.io/linux-syscall-table/.
diff --git a/objects/org/eolang/sys/win32.eo b/objects/org/eolang/sys/win32.eo
index 1fc3f75f..1706c1b4 100644
--- a/objects/org/eolang/sys/win32.eo
+++ b/objects/org/eolang/sys/win32.eo
@@ -23,9 +23,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.sys
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # Makes a kernel32.dll function call by name.
 #
diff --git a/objects/org/eolang/true.eo b/objects/org/eolang/true.eo
index d7708150..1954abc0 100644
--- a/objects/org/eolang/true.eo
+++ b/objects/org/eolang/true.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # The object is a TRUE boolean state.
 [] > true
diff --git a/objects/org/eolang/try.eo b/objects/org/eolang/try.eo
index 9f67641c..39fa14b3 100644
--- a/objects/org/eolang/try.eo
+++ b/objects/org/eolang/try.eo
@@ -23,9 +23,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # Try, catch and finally. This object helps catch errors created by the
 # `error` object. When being dataized, such objects will crash the problem.
diff --git a/objects/org/eolang/tuple.eo b/objects/org/eolang/tuple.eo
index 68b17171..db962384 100644
--- a/objects/org/eolang/tuple.eo
+++ b/objects/org/eolang/tuple.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # Tuple.
 [head tail] > tuple
diff --git a/objects/org/eolang/txt/regex.eo b/objects/org/eolang/txt/regex.eo
index c6b938cb..9bc6800e 100644
--- a/objects/org/eolang/txt/regex.eo
+++ b/objects/org/eolang/txt/regex.eo
@@ -23,9 +23,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.txt
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # Regular expression in Perl format.
 # Here `pattern` is a string pattern.
diff --git a/objects/org/eolang/txt/sprintf.eo b/objects/org/eolang/txt/sprintf.eo
index 2fb7eaba..9de9973d 100644
--- a/objects/org/eolang/txt/sprintf.eo
+++ b/objects/org/eolang/txt/sprintf.eo
@@ -23,9 +23,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.txt
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # The sprintf object allows you to format and output text depending
 # on the arguments passed to it.
diff --git a/objects/org/eolang/txt/sscanf.eo b/objects/org/eolang/txt/sscanf.eo
index b94fd4b8..30dede27 100644
--- a/objects/org/eolang/txt/sscanf.eo
+++ b/objects/org/eolang/txt/sscanf.eo
@@ -23,9 +23,9 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.txt
-+rt jvm org.eolang:eo-runtime:0.49.4
++rt jvm org.eolang:eo-runtime:0.50.0
 +rt node eo2js-runtime:0.0.0
-+version 0.49.4
++version 0.50.0
 
 # Reads formatted input from a string.
 # This object has two free attributes:
diff --git a/objects/org/eolang/txt/text.eo b/objects/org/eolang/txt/text.eo
index 69a6ad75..89fbaf64 100644
--- a/objects/org/eolang/txt/text.eo
+++ b/objects/org/eolang/txt/text.eo
@@ -28,7 +28,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang.txt
-+version 0.49.4
++version 0.50.0
 
 # Text.
 [origin] > text
diff --git a/objects/org/eolang/while.eo b/objects/org/eolang/while.eo
index db0f575a..531ce363 100644
--- a/objects/org/eolang/while.eo
+++ b/objects/org/eolang/while.eo
@@ -23,7 +23,7 @@
 +architect yegor256@gmail.com
 +home https://github.com/objectionary/eo
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # The `while` object is very similar to a loop with a pre-condition.
 # Here's how you can use it:
@@ -63,8 +63,7 @@
     body index > current
     if. > @
       (condition (index.plus 1)).as-bool
-      seq
-        *
-          current
-          ^.loop (index.plus 1)
+      seq *
+        current
+        ^.loop (index.plus 1)
       current
diff --git a/tests/org/eolang/bool-tests.eo b/tests/org/eolang/bool-tests.eo
index 72bb6592..91870d42 100644
--- a/tests/org/eolang/bool-tests.eo
+++ b/tests/org/eolang/bool-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > compares-two-bools
diff --git a/tests/org/eolang/bytes-tests.eo b/tests/org/eolang/bytes-tests.eo
index 9ce20a39..70feebb7 100644
--- a/tests/org/eolang/bytes-tests.eo
+++ b/tests/org/eolang/bytes-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > takes-part-of-bytes
diff --git a/tests/org/eolang/cti-test.eo b/tests/org/eolang/cti-test.eo
index adf55399..b8a3823d 100644
--- a/tests/org/eolang/cti-test.eo
+++ b/tests/org/eolang/cti-test.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > just-prints-warning
diff --git a/tests/org/eolang/dataized-tests.eo b/tests/org/eolang/dataized-tests.eo
index 3816bb60..19db1c01 100644
--- a/tests/org/eolang/dataized-tests.eo
+++ b/tests/org/eolang/dataized-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > dataized-does-not-do-recalculation
diff --git a/tests/org/eolang/fs/dir-tests.eo b/tests/org/eolang/fs/dir-tests.eo
index 2d64857c..7144439a 100644
--- a/tests/org/eolang/fs/dir-tests.eo
+++ b/tests/org/eolang/fs/dir-tests.eo
@@ -26,7 +26,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.fs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > bound-tmpfile-does-not-recreates-file
diff --git a/tests/org/eolang/fs/file-tests.eo b/tests/org/eolang/fs/file-tests.eo
index 11d39af9..2269bb16 100644
--- a/tests/org/eolang/fs/file-tests.eo
+++ b/tests/org/eolang/fs/file-tests.eo
@@ -29,7 +29,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.fs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > check-if-current-directory-is-directory
diff --git a/tests/org/eolang/fs/path-tests.eo b/tests/org/eolang/fs/path-tests.eo
index e4f6a779..6a8d6f88 100644
--- a/tests/org/eolang/fs/path-tests.eo
+++ b/tests/org/eolang/fs/path-tests.eo
@@ -26,7 +26,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.fs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > determines-separator-depending-on-os
diff --git a/tests/org/eolang/fs/tmpdir-tests.eo b/tests/org/eolang/fs/tmpdir-tests.eo
index 65747908..c7409d86 100644
--- a/tests/org/eolang/fs/tmpdir-tests.eo
+++ b/tests/org/eolang/fs/tmpdir-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.fs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 tmpdir.exists > [] > global-temp-dir-exists
diff --git a/tests/org/eolang/go-tests.eo b/tests/org/eolang/go-tests.eo
index 842ec180..890f403c 100644
--- a/tests/org/eolang/go-tests.eo
+++ b/tests/org/eolang/go-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > goto-jumps-backwards
diff --git a/tests/org/eolang/i16-tests.eo b/tests/org/eolang/i16-tests.eo
index 77ca5491..88803582 100644
--- a/tests/org/eolang/i16-tests.eo
+++ b/tests/org/eolang/i16-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > i16-has-valid-bytes
diff --git a/tests/org/eolang/i32-tests.eo b/tests/org/eolang/i32-tests.eo
index 744b7c51..c12b8edd 100644
--- a/tests/org/eolang/i32-tests.eo
+++ b/tests/org/eolang/i32-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > i32-has-valid-bytes
diff --git a/tests/org/eolang/i64-tests.eo b/tests/org/eolang/i64-tests.eo
index e6a35d3f..a3d20200 100644
--- a/tests/org/eolang/i64-tests.eo
+++ b/tests/org/eolang/i64-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > i64-has-valid-bytes
diff --git a/tests/org/eolang/io/bytes-as-input-test.eo b/tests/org/eolang/io/bytes-as-input-test.eo
index 4a23c434..bb7eb26f 100644
--- a/tests/org/eolang/io/bytes-as-input-test.eo
+++ b/tests/org/eolang/io/bytes-as-input-test.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > makes-an-input-from-bytes-and-reads
diff --git a/tests/org/eolang/io/console-test.eo b/tests/org/eolang/io/console-test.eo
index 36cd1059..d3c79694 100644
--- a/tests/org/eolang/io/console-test.eo
+++ b/tests/org/eolang/io/console-test.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # Prints a simple message to the console. We can't validate
 # the output, so we just run it and see if it crashes.
diff --git a/tests/org/eolang/io/dead-input-tests.eo b/tests/org/eolang/io/dead-input-tests.eo
index cb617af9..afe8a463 100644
--- a/tests/org/eolang/io/dead-input-tests.eo
+++ b/tests/org/eolang/io/dead-input-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > reads-empty-bytes
diff --git a/tests/org/eolang/io/dead-output-tests.eo b/tests/org/eolang/io/dead-output-tests.eo
index 657e18a1..a67865f4 100644
--- a/tests/org/eolang/io/dead-output-tests.eo
+++ b/tests/org/eolang/io/dead-output-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 dead-output.write 01-02-03 > [] > writes-bytes-to-nowhere
diff --git a/tests/org/eolang/io/input-length-tests.eo b/tests/org/eolang/io/input-length-tests.eo
index 4a2acc01..bc78f99a 100644
--- a/tests/org/eolang/io/input-length-tests.eo
+++ b/tests/org/eolang/io/input-length-tests.eo
@@ -28,7 +28,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > reads-all-bytes-and-returns-length
diff --git a/tests/org/eolang/io/malloc-as-output-test.eo b/tests/org/eolang/io/malloc-as-output-test.eo
index 7183db9c..da0dce6a 100644
--- a/tests/org/eolang/io/malloc-as-output-test.eo
+++ b/tests/org/eolang/io/malloc-as-output-test.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > makes-an-output-from-malloc-and-writes
diff --git a/tests/org/eolang/io/stdout-test.eo b/tests/org/eolang/io/stdout-test.eo
index 8a94dfa9..86a2a741 100644
--- a/tests/org/eolang/io/stdout-test.eo
+++ b/tests/org/eolang/io/stdout-test.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # Prints a simple message to the console. We can't validate
 # the output, so we just run it and see if it crashes.
diff --git a/tests/org/eolang/io/tee-input-tests.eo b/tests/org/eolang/io/tee-input-tests.eo
index c5176866..81a8845a 100644
--- a/tests/org/eolang/io/tee-input-tests.eo
+++ b/tests/org/eolang/io/tee-input-tests.eo
@@ -27,7 +27,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.io
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > reads-from-bytes-and-writes-to-memory
diff --git a/tests/org/eolang/malloc-tests.eo b/tests/org/eolang/malloc-tests.eo
index 4d6cf89a..a29edf3b 100644
--- a/tests/org/eolang/malloc-tests.eo
+++ b/tests/org/eolang/malloc-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > writes-into-memory-of
diff --git a/tests/org/eolang/math/angle-tests.eo b/tests/org/eolang/math/angle-tests.eo
index b81fc3f3..773926c9 100644
--- a/tests/org/eolang/math/angle-tests.eo
+++ b/tests/org/eolang/math/angle-tests.eo
@@ -26,7 +26,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.math
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > sin-zero
diff --git a/tests/org/eolang/math/integral-tests.eo b/tests/org/eolang/math/integral-tests.eo
index 3fa3fb9a..264756f5 100644
--- a/tests/org/eolang/math/integral-tests.eo
+++ b/tests/org/eolang/math/integral-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.math
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > calculates-lineal-integral
diff --git a/tests/org/eolang/math/numbers-tests.eo b/tests/org/eolang/math/numbers-tests.eo
index d47ea994..c0d6fea1 100644
--- a/tests/org/eolang/math/numbers-tests.eo
+++ b/tests/org/eolang/math/numbers-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.math
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 (numbers *).max > [] > throws-on-taking-max-from-empty-sequence-of-numbers
diff --git a/tests/org/eolang/math/random-tests.eo b/tests/org/eolang/math/random-tests.eo
index f33998bf..ef8732dc 100644
--- a/tests/org/eolang/math/random-tests.eo
+++ b/tests/org/eolang/math/random-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.math
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > random-with-seed
diff --git a/tests/org/eolang/math/real-tests.eo b/tests/org/eolang/math/real-tests.eo
index e2f2ab16..69809421 100644
--- a/tests/org/eolang/math/real-tests.eo
+++ b/tests/org/eolang/math/real-tests.eo
@@ -27,7 +27,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.math
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > abs-int-positive
diff --git a/tests/org/eolang/nan-tests.eo b/tests/org/eolang/nan-tests.eo
index e7bba890..b11b1cd9 100644
--- a/tests/org/eolang/nan-tests.eo
+++ b/tests/org/eolang/nan-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +package org.eolang
 +tests
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > nan-not-eq-number
diff --git a/tests/org/eolang/negative-infinity-tests.eo b/tests/org/eolang/negative-infinity-tests.eo
index 1c24696e..4ae88362 100644
--- a/tests/org/eolang/negative-infinity-tests.eo
+++ b/tests/org/eolang/negative-infinity-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +package org.eolang
 +tests
-+version 0.49.4
++version 0.50.0
 
 # Equal to.
 [] > negative-infinity-is-equal-to-one-div-zero
diff --git a/tests/org/eolang/number-tests.eo b/tests/org/eolang/number-tests.eo
index 3e0e15fc..d5022f66 100644
--- a/tests/org/eolang/number-tests.eo
+++ b/tests/org/eolang/number-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > int-less-true
diff --git a/tests/org/eolang/positive-infinity-tests.eo b/tests/org/eolang/positive-infinity-tests.eo
index f825c303..f4aca9f6 100644
--- a/tests/org/eolang/positive-infinity-tests.eo
+++ b/tests/org/eolang/positive-infinity-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +package org.eolang
 +tests
-+version 0.49.4
++version 0.50.0
 
 # Equal to.
 [] > positive-infinity-is-equal-to-one-div-zero
diff --git a/tests/org/eolang/runtime-tests.eo b/tests/org/eolang/runtime-tests.eo
index 11443ca3..b7a7a9ec 100644
--- a/tests/org/eolang/runtime-tests.eo
+++ b/tests/org/eolang/runtime-tests.eo
@@ -25,7 +25,7 @@
 +tests
 +package org.eolang
 +unlint abstract-decoratee
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > understands-this-correctly
@@ -335,6 +335,28 @@
         build 2 > @
     9
 
+# This unit test is supposed to check the functionality of the corresponding object.
+[] > with-void-phi
+  [@] > x
+    "Hello" > hello
+  x 5 > five
+  and. > @
+    (five.plus 5).eq 10
+    five.hello.eq "Hello"
+
+# This unit test is supposed to check the functionality of the corresponding object.
+[] (seq (* (five.eq 5) true) > @) (5 > five) > complex-horizontal
+
+# This unit test is supposed to check the functionality of the corresponding object.
+[] > vertical-bound-method
+  eq. > @
+    if.
+      true
+      "second":1
+      "first"
+      .as-bytes:0
+    "first"
+
 # Nesting blah test.
 [] > nesting-blah-test
   blah0 > @
diff --git a/tests/org/eolang/seq-tests.eo b/tests/org/eolang/seq-tests.eo
index 71cb82dd..90c39a71 100644
--- a/tests/org/eolang/seq-tests.eo
+++ b/tests/org/eolang/seq-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > seq-single-dataization-float-less
diff --git a/tests/org/eolang/string-tests.eo b/tests/org/eolang/string-tests.eo
index 20429fb3..1d577e86 100644
--- a/tests/org/eolang/string-tests.eo
+++ b/tests/org/eolang/string-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > calculates-length-of-spaces-only
diff --git a/tests/org/eolang/structs/bytes-as-array-tests.eo b/tests/org/eolang/structs/bytes-as-array-tests.eo
index 14a4b6e3..6683c56e 100644
--- a/tests/org/eolang/structs/bytes-as-array-tests.eo
+++ b/tests/org/eolang/structs/bytes-as-array-tests.eo
@@ -26,7 +26,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > converts-bytes-to-array
diff --git a/tests/org/eolang/structs/hash-code-of-tests.eo b/tests/org/eolang/structs/hash-code-of-tests.eo
index 37bbafea..c76b7821 100644
--- a/tests/org/eolang/structs/hash-code-of-tests.eo
+++ b/tests/org/eolang/structs/hash-code-of-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > hash-code-of-bools-is-number
diff --git a/tests/org/eolang/structs/list-tests.eo b/tests/org/eolang/structs/list-tests.eo
index 21d17d88..6d150caa 100644
--- a/tests/org/eolang/structs/list-tests.eo
+++ b/tests/org/eolang/structs/list-tests.eo
@@ -26,7 +26,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > list-should-not-be-empty
diff --git a/tests/org/eolang/structs/map-tests.eo b/tests/org/eolang/structs/map-tests.eo
index 80c0fe7e..900585d5 100644
--- a/tests/org/eolang/structs/map-tests.eo
+++ b/tests/org/eolang/structs/map-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > map-rebuilds-itself
diff --git a/tests/org/eolang/structs/range-of-ints-tests.eo b/tests/org/eolang/structs/range-of-ints-tests.eo
index 1e851e75..fee22fbe 100644
--- a/tests/org/eolang/structs/range-of-ints-tests.eo
+++ b/tests/org/eolang/structs/range-of-ints-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > simple-range-of-ints-from-one-to-ten
diff --git a/tests/org/eolang/structs/range-tests.eo b/tests/org/eolang/structs/range-tests.eo
index c485837b..28ab9812 100644
--- a/tests/org/eolang/structs/range-tests.eo
+++ b/tests/org/eolang/structs/range-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > simple-range-from-one-to-ten
diff --git a/tests/org/eolang/structs/set-tests.eo b/tests/org/eolang/structs/set-tests.eo
index 405619e3..84838d8f 100644
--- a/tests/org/eolang/structs/set-tests.eo
+++ b/tests/org/eolang/structs/set-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.structs
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > set-rebuilds-itself
diff --git a/tests/org/eolang/switch-tests.eo b/tests/org/eolang/switch-tests.eo
index 094d1e14..5d14ee5e 100644
--- a/tests/org/eolang/switch-tests.eo
+++ b/tests/org/eolang/switch-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > switch-simple-case
diff --git a/tests/org/eolang/sys/os-tests.eo b/tests/org/eolang/sys/os-tests.eo
index 5dce99b7..440c0f48 100644
--- a/tests/org/eolang/sys/os-tests.eo
+++ b/tests/org/eolang/sys/os-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.sys
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > checks-os-family
diff --git a/tests/org/eolang/sys/posix-tests.eo b/tests/org/eolang/sys/posix-tests.eo
index 44d89746..3dfcdd88 100644
--- a/tests/org/eolang/sys/posix-tests.eo
+++ b/tests/org/eolang/sys/posix-tests.eo
@@ -26,7 +26,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.sys
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > invokes-getpid-correctly
diff --git a/tests/org/eolang/sys/win32-tests.eo b/tests/org/eolang/sys/win32-tests.eo
index 32f1961a..b3255f76 100644
--- a/tests/org/eolang/sys/win32-tests.eo
+++ b/tests/org/eolang/sys/win32-tests.eo
@@ -26,7 +26,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.sys
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > returns-valid-win32-inet-addr-for-localhost
diff --git a/tests/org/eolang/try-tests.eo b/tests/org/eolang/try-tests.eo
index b4338f3a..12424f1d 100644
--- a/tests/org/eolang/try-tests.eo
+++ b/tests/org/eolang/try-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > catches-simple-exception
diff --git a/tests/org/eolang/tuple-tests.eo b/tests/org/eolang/tuple-tests.eo
index 0456c306..c27a2567 100644
--- a/tests/org/eolang/tuple-tests.eo
+++ b/tests/org/eolang/tuple-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > makes-tuple-through-special-syntax
diff --git a/tests/org/eolang/txt/regex-tests.eo b/tests/org/eolang/txt/regex-tests.eo
index e9fb2977..940fe66a 100644
--- a/tests/org/eolang/txt/regex-tests.eo
+++ b/tests/org/eolang/txt/regex-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.txt
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > matches-regex-against-the-pattern
diff --git a/tests/org/eolang/txt/sprintf-tests.eo b/tests/org/eolang/txt/sprintf-tests.eo
index 253aee84..2c184e04 100644
--- a/tests/org/eolang/txt/sprintf-tests.eo
+++ b/tests/org/eolang/txt/sprintf-tests.eo
@@ -25,7 +25,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.txt
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > prints-simple-string
diff --git a/tests/org/eolang/txt/sscanf-tests.eo b/tests/org/eolang/txt/sscanf-tests.eo
index ead0933c..62d498da 100644
--- a/tests/org/eolang/txt/sscanf-tests.eo
+++ b/tests/org/eolang/txt/sscanf-tests.eo
@@ -27,7 +27,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.txt
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > sscanf-with-string
diff --git a/tests/org/eolang/txt/text-tests.eo b/tests/org/eolang/txt/text-tests.eo
index 83f47a53..c8da4137 100644
--- a/tests/org/eolang/txt/text-tests.eo
+++ b/tests/org/eolang/txt/text-tests.eo
@@ -27,7 +27,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang.txt
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > text-slices-the-origin-string
diff --git a/tests/org/eolang/while-tests.eo b/tests/org/eolang/while-tests.eo
index 8d1d1037..dc504fe9 100644
--- a/tests/org/eolang/while-tests.eo
+++ b/tests/org/eolang/while-tests.eo
@@ -24,7 +24,7 @@
 +home https://github.com/objectionary/eo
 +tests
 +package org.eolang
-+version 0.49.4
++version 0.50.0
 
 # This unit test is supposed to check the functionality of the corresponding object.
 [] > while-dataizes-only-first-cycle