Add CharStream::skip_to_newline to replace eat_not_char

src/sudoers/ast.rs

@@ -512,7 +512,7 @@ impl Parse for Sudo {
                 // the failed "try_nonterminal::<Identifier>" will have consumed the '#'
                 // the most ignominious part of sudoers: having to parse bits of comments
                 parse_include(stream).or_else(|_| {
-                    while stream.eat_not_char('\n') {}
+                    stream.skip_to_newline();
                     make(Sudo::LineComment)
                 })
             };

src/sudoers/basic_parser.rs

@@ -139,7 +139,7 @@ impl Parse for Comment {
         if !stream.eat_char('#') {
             return Err(Status::Reject);
         }
-        while stream.eat_not_char('\n') {}
+        stream.skip_to_newline();
         make(Comment {})
     }
 }
@@ -324,7 +324,7 @@ where
                 let error = |stream: &mut CharStream| unrecoverable!(stream, "{msg}");
                 result.push(error(stream));
             }
-            while stream.eat_not_char('\n') {}
+            stream.skip_to_newline();
         }
     }
 

src/sudoers/char_stream.rs

@@ -32,8 +32,8 @@ impl CharStream<'_> {
         self.next_if(|c| c == expect_char).is_some()
     }
 
-    pub fn eat_not_char(&mut self, expect_not_char: char) -> bool {
-        self.next_if(|c| c != expect_not_char).is_some()
+    pub fn skip_to_newline(&mut self) {
+        while self.next_if(|c| c != '\n').is_some() {}
     }
 
     pub fn peek(&mut self) -> Option<char> {