http://d.puremagic.com/issues/show_bug.cgi?id=9051
Summary: [CTFE] Working with non-trivial immutable globals?
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 Dmitry Olshansky <[email protected]> 2012-11-20
12:50:42 PST ---
I'm wondering if this is supposed to work. By all means I don't see why it has
to try this(this) in this case (and moreover fail).
struct Set{
uint[] arr;
this(this){ } //comment out to make it compile
}
pure auto getMeASet(uint[] arr)
{
return Set(arr);
}
immutable set = getMeASet([1,2,3,4]);
pure auto getSecond(in Set set)
{
return set.arr[1];
}
pragma(msg, getSecond(set));
And the diagnostic spits all kinds of nonsense:
D:\D\ctfe_glob.d(20): Error: variable ctfe_glob.__cpcttmp6 of type struct
const(Set) uses this(this), which is not allowed in static initialization
D:\D\ctfe_glob.d(20): while evaluating pragma(msg, getSecond((const
const(Set) __cpcttmp6 = Set([1u, 2u, 3u, 4u]);
, __cpcttmp6)))
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