http://d.puremagic.com/issues/show_bug.cgi?id=10498
Summary: `__traits(compiles, ...)` affect program behaviour
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Keywords: rejects-valid
Severity: major
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Denis Shelomovskij <[email protected]> 2013-06-29
11:50:51 MSD ---
`{ T; }` delegate makes `static assert` fail:
---
template triggerIssue()
{ enum triggerIssue = __traits(compiles, { T; }); }
template PackedGenericTuple(Args...)
{
alias Args Tuple;
enum e = triggerIssue!();
}
struct S { }
template T()
{
alias T = PackedGenericTuple!S;
}
void main()
{
alias t = T!();
static assert(is(t.Tuple[0])); // Fails
}
---
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