http://d.puremagic.com/issues/show_bug.cgi?id=5154

           Summary: Class Range does not work in writeln
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody@puremagic.com
        ReportedBy: Jesse.K.Phillips+D@gmail.com
                CC: Jesse.K.Phillips+D@gmail.com


--- Comment #0 from Jesse Phillips <Jesse.K.Phillips+D@gmail.com> 2010-11-01 16:26:02 PDT ---
The code below fails to compile because a Class with InputRange primitives sanctifies two std.format.formatValue functions. On is for printing Classes and the other for printing an InputRange. This is not an issue when using std.string.format (Since it doesn't use formatValue).

C:\opt\dmd\windows\bin\..\..\src\phobos\std\format.d(1455): Error: template
std.
format.formatValue(Writer,T,Char) if (is(const(T) == const(void[])))
formatValue
(Writer,T,Char) if (is(const(T) == const(void[]))) matches more than one
templat
e declaration,
C:\opt\dmd\windows\bin\..\..\src\phobos\std\format.d(1126):format
Value(Writer,T,Char) if (isInputRange!(T) && !isSomeChar!(ElementType!(T))) and
C:\opt\dmd\windows\bin\..\..\src\phobos\std\format.d(1297):formatValue(Writer,T,
Char) if (is(T == class))

import std.stdio;
import std.string;

class Range {
   bool empty() { return true; }
   int front() { return 1; }
   void popFront() { }
}

void main() {
   writefln("%s", new Range());
   writeln(new Range());
   writeln(format("%s", new Range()));
}

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Shin Fujishiro <rsinfu@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |rsinfu@gmail.com
         AssignedTo|nobody@puremagic.com        |rsinfu@gmail.com


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--- Comment #1 from Shin Fujishiro <rsinfu@gmail.com> 2010-11-16 13:03:13 PST ---
Fixed: http://www.dsource.org/projects/phobos/changeset/2170

Also fixed for interfaces and pointers to struct ranges.

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--- Comment #2 from Shin Fujishiro <rsinfu@gmail.com> 2010-11-16 13:04:06 PST ---
Fixed: http://www.dsource.org/projects/phobos/changeset/2170

Also fixed for interfaces and pointers to struct ranges.

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Shin Fujishiro <rsinfu@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED


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