[Issue 6032] New: wstring literals cannot be implicitly converted to const(wchar)*

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=6032

           Summary: wstring literals cannot be implicitly converted to
                    const(wchar)*
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: andrej.mitrovich at gmail.com


--- Comment #0 from Andrej Mitrovic <andrej.mitrovich at gmail.com> 2011-05-18 14:17:58 PDT ---
void main()
{
    const(char)*  cptr  = "foo";  // ok
    const(wchar)* wcptr = "foo"w; // error
}

Error: cannot implicitly convert expression ("foo"w) of
type immutable(wchar)[] to const(wchar)*

By fixing this it should eliminate the need to call std.utf.toUTF16z on string
literals passed to WinAPI functions expecting zero-terminated wide strings.

Note that dstrings suffer from the same issue:
const(dchar)* dcptr = "foo"d;  // error

However I'm not sure if there are any C libraries which would take a UTF32
zero-terminated string. It would be consistent to make them all behave the same
way though.

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