Accept Ch[36] in to_chars because these uses did compile

boostorg · May 4, 2024 · 436a85c · 436a85c
1 parent 4b0620e
commit 436a85c
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diff --git a/doc/uuid/uuid_io.adoc b/doc/uuid/uuid_io.adoc
@@ -179,7 +179,7 @@ to_chars( u, buf );
 std::cout << buf << std::endl;
 ```
 
-NOTE: As a special exception, `N` is allowed to be 36 when `Ch` is `char`.
+NOTE: As a special exception, `N` is allowed to be 36.
   In this case, the function writes exactly 36 characters into `buffer` and does not write a null terminator.
   This use is only supported for backward compatibility and is deprecated.
   Use a buffer of 37 characters instead, to allow for the null terminator.

diff --git a/include/boost/uuid/uuid_io.hpp b/include/boost/uuid/uuid_io.hpp
@@ -60,8 +60,9 @@ inline Ch* to_chars( uuid const& u, Ch (&buffer)[ N ] ) noexcept
 }
 
 // only provided for compatibility; deprecated
-BOOST_DEPRECATED( "Use char[37] instead of char[36] to allow for the null terminator" )
-inline char* to_chars( uuid const& u, char (&buffer)[ 36 ] ) noexcept
+template<class Ch>
+BOOST_DEPRECATED( "Use Ch[37] instead of Ch[36] to allow for the null terminator" )
+inline Ch* to_chars( uuid const& u, Ch (&buffer)[ 36 ] ) noexcept
 {
     detail::to_chars( u, buffer + 0 );
     return buffer + 36;