http://d.puremagic.com/issues/show_bug.cgi?id=7686
Summary: template argument ignored with specialization for
dependent parameter
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from [email protected] 2012-03-11 09:58:11 PDT ---
cat > bug.d << CODE
struct Pair(T1, T2) {}
template foo(T : Pair!(T, U), U)
{
pragma(msg, "foo ", T, U);
}
template bar(T : Pair!(T, U), U:int)
{
pragma(msg, "bar ", T, U);
}
static assert(!__traits(compiles, foo!(Pair!(double, short), int))); // OK
static assert(!__traits(compiles, bar!(Pair!(double, short), int))); // fails
CODE
dmd -c bug
--------
For bar the argument to U is ignored and U is deduced from Pair.
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