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34 lines
759 B
Nim
34 lines
759 B
Nim
# Issue 88
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type
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BaseClass[V] = object of RootObj
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b: V
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proc new[V](t: typedesc[BaseClass], v: V): BaseClass[V] =
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BaseClass[V](b: v)
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proc baseMethod[V](v: BaseClass[V]): V = v.b
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proc overridedMethod[V](v: BaseClass[V]): V = v.baseMethod
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type
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ChildClass[V] = object of BaseClass[V]
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c: V
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proc new[V](t: typedesc[ChildClass], v1, v2: V): ChildClass[V] =
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ChildClass[V](b: v1, c: v2)
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proc overridedMethod[V](v: ChildClass[V]): V = v.c
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let c = ChildClass[string].new("Base", "Child")
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assert c.baseMethod == "Base"
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assert c.overridedMethod == "Child"
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# bug #4528
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type GenericBase[T] = ref object of RootObj
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type GenericSubclass[T] = ref object of GenericBase[T]
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proc foo[T](g: GenericBase[T]) = discard
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var bar: GenericSubclass[int]
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foo(bar)
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