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implemented return type inference

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Other fixes:
* bind once is now the default for type classes as documented in the manual
* fixes an issue in template overloading (erroneous  ambiguity when different typedesc params were used)
This commit is contained in:
Zahary Karadjov 2012-09-29 16:49:04 +03:00
commit 7e44015491
9 changed files with 104 additions and 36 deletions
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4
compiler/types.nim
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@ -626,9 +626,9 @@ proc SameTypeOrNil*(a, b: PType, flags: TTypeCmpFlags = {}): bool =
var c = initSameTypeClosure()
c.flags = flags
result = SameTypeAux(a, b, c)
proc equalParam(a, b: PSym): TParamsEquality =
if SameTypeOrNil(a.typ, b.typ):
if SameTypeOrNil(a.typ, b.typ, {TypeDescExactMatch}):
if a.ast == b.ast:
result = paramsEqual
elif a.ast != nil and b.ast != nil: