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bugfix: don't treat generic types with different static params as the same type

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This commit is contained in:
Zahary Karadjov
2014-12-31 04:20:32 +02:00
parent b83b1383fb
commit 13e07f5d66
2 changed files with 20 additions and 0 deletions
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3
compiler/sigmatch.nim
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@@ -979,6 +979,9 @@ proc typeRel(c: var TCandidate, f, aOrig: PType, doBind = true): TTypeRelation =
of tyStatic:
if aOrig.kind == tyStatic:
result = typeRel(c, f.lastSon, a)
if result != isNone and f.n != nil:
if not exprStructuralEquivalent(f.n, a.n):
result = isNone
if result != isNone: put(c.bindings, f, aOrig)
else:
result = isNone

17
tests/types/tisopr.nim
View File

@@ -34,3 +34,20 @@ type
yes s.items is Iter[TNumber]
no s.items is Iter[float]
type
Foo[N: static[int], T] = object
field: array[1..N, T]
Bar[T] = Foo[4, T]
Baz[N: static[int]] = Foo[N, float]
no Foo[2, float] is Foo[3, float]
no Foo[2, float] is Foo[2, int]
yes Foo[4, string] is Foo[4, string]
yes Bar[int] is Foo[4, int]
yes Foo[4, int] is Bar[int]
no Foo[4, int] is Baz[4]
yes Foo[4, float] is Baz[4]