http://d.puremagic.com/issues/show_bug.cgi?id=5346
Summary: instantiation of std.conv.toImpl and
std.format.formatValue fails for unions
Product: D
Version: D2
Platform: x86
OS/Version: Windows
Status: NEW
Severity: normal
Priority: P2
Component: Phobos
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Nick Voronin <[email protected]> 2010-12-12 19:07:13 PST ---
import std.conv;
import std.format;
import std.stdio;
union U
{
int a;
float b;
}
struct S
{
int t;
U u;
}
void main()
{
U u;
writeln(text(u)); // error instantiation toImpl
S s;
writeln(text(s)); // error instantiation formatValue
}
patching templates in this manner:
-if (is(S == struct) && ...
+if ((is(S == struct) || is(S == union)) && ...
fixes it for me.
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