http://d.puremagic.com/issues/show_bug.cgi?id=6606
Summary: RefCounted doesn't work with unions due to use of
format
Product: D
Version: D2
Platform: Other
OS/Version: Windows
Status: NEW
Severity: regression
Priority: P2
Component: Phobos
AssignedTo: nob...@puremagic.com
ReportedBy: dsim...@yahoo.com
--- Comment #0 from David Simcha <dsim...@yahoo.com> 2011-09-05 17:24:01 PDT ---
import std.typecons;
struct S {
U u;
}
union U {
size_t i;
void* p;
}
alias RefCounted!(S) SRC;
C:\dmd2\windows\bin\..\..\src\phobos\std\format.d(1853): Error: static assert
"unable to format union object because it does not have toString"
C:\dmd2\windows\bin\..\..\src\phobos\std\format.d(1982): instantiated
from here: formatValue!(Appender!(string),U,char)
C:\dmd2\windows\bin\..\..\src\phobos\std\format.d(309): instantiated
from here: formatGeneric!(Appender!(string),U,immutable(char))
C:\dmd2\windows\bin\..\..\src\phobos\std\typecons.d(511): instantiated
from here: formattedWrite!(Appender!(string),immutable(char),U)
... (4 instantiations, -v to show) ...
C:\dmd2\windows\bin\..\..\src\phobos\std\typecons.d(2386): instantiated
from here: Tuple!(S,"_payload",uint,"_count")
C:\code\test.d(12): instantiated from here: RefCounted!(S)
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