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When method prototypes were involved (e.g. forward declarations for mutual recursion), calls were sometimes dispatched to the wrong method implementation. One of the reasons was that method dispatchers were then not always attached to method ASTs in the correct place.
26 lines
439 B
Nim
26 lines
439 B
Nim
type
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Obj1 = ref object {.inheritable.}
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Obj2 = ref object of Obj1
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method beta(x: Obj1): int
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proc delta(x: Obj2): int =
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beta(x)
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method beta(x: Obj2): int
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proc alpha(x: Obj1): int =
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beta(x)
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method beta(x: Obj1): int = 1
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method beta(x: Obj2): int = 2
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proc gamma(x: Obj1): int =
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beta(x)
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doAssert alpha(Obj1()) == 1
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doAssert gamma(Obj1()) == 1
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doAssert alpha(Obj2()) == 2
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doAssert gamma(Obj2()) == 2
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doAssert delta(Obj2()) == 2
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