https://d.puremagic.com/issues/show_bug.cgi?id=12484
Summary: Template Overloading or Pattern Matching Failure
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] 2014-03-27 15:28:24 PDT ---
I'm not sure which is failing here, but this doesn't work (and I'm pretty sure
it should).
struct Zero {}
struct Succ(a) {}
alias One = Succ!Zero;
struct Less {}
struct Equal {}
struct Greater {}
struct Cmp(x: Zero, y: Zero, c: Equal) {}
struct Cmp(x: Zero, y: Succ!n, n, c: Less) {}
struct Cmp(x: Succ!n, y: Zero, n, c: Greater) {}
void main()
{
assert(is(Cmp!(Zero, Zero, Equal))); //Ok
assert(is(Cmp!(Zero, One, Less))); //Fails
assert(is(Cmp!(One, Zero, Greater))); //Fails
}
The error message given in both cases is:
Error: struct Cmp does not match any template declaration
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