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 | Posted by Austin Hastings |  Permalink Reply |
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Austin Hastings 
| http://d.puremagic.com/issues/show_bug.cgi?id=5296
Summary: 2.50: std.conv.to!string() fails on char[ 256 ] buf
Product: D
Version: D2
Platform: x86
OS/Version: Windows
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nobody@puremagic.com
ReportedBy: ah08010-d@yahoo.com
--- Comment #0 from Austin Hastings <ah08010-d@yahoo.com> 2010-12-01 04:36:46 PST ---
This code:
==========
module scratch;
import std.conv;
void main()
{
char[ 256 ] buf;
auto s = to!string( buf );
}
==========
Produces this error. This appears to be 2.50 specific, since the code from
which this test case derives has been working for some time under .49
==========
$ dmd -run scratch.d
d:\Devel\D\dmd2\windows\bin\..\..\src\phobos\std\conv.d(95): Error: template
std.conv.toImpl(T,S) if (!implicitlyConverts!(S,T) && isSomeString!(T) &&
isInputRange!(Unqual!(S)) && isSomeChar!(ElementType!(S))) toImpl(T,S) if
(!implicitlyConverts!(S,T) && isSomeString!(T) && isInputRange!(Unqual!(S)) &&
isSomeChar!(ElementType!(S))) matches more than one template declaration,
d:\Devel\D\dmd2\windows\bin\..\..\src\phobos\std\conv.d(110):toImpl(T,S) if
(!implicitlyConverts!(S,T) && isSomeString!(T) && isInputRange!(Unqual!(S)) &&
isSomeChar!(ElementType!(S))) and
d:\Devel\D\dmd2\windows\bin\..\..\src\phobos\std\conv.d(220):toImpl(T,S)
if (isStaticArray!(S))
==========
It's worth noting that the error message is pretty much incomprehensible due to the enormously long template conditions, and that it doesn't refer at all to the original source line.
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