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56 lines
720 B
Nim
56 lines
720 B
Nim
discard """
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output: '''tbObj of TC false
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false
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true
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5
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false'''
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"""
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# bug #1053
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type
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TA = object of TObject
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a: int
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TB = object of TA
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b: int
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TC = object of TB
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c: int
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proc test(p: TA) =
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#echo "p of TB ", p of TB
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if p of TB:
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var tbObj = TB(p)
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# tbObj is actually no longer compatible with TC:
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echo "tbObj of TC ", tbObj of TC
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var v = TC()
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v.a = 1
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v.b = 2
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v.c = 3
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test(v)
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# bug #924
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type
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MyObject = object of TObject
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x: int
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var
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asd: MyObject
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proc isMyObject(obj: TObject) =
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echo obj of MyObject
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if obj of MyObject:
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let a = MyObject(obj)
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echo a.x
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asd.x = 5
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var asdCopy = TObject(asd)
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echo asdCopy of MyObject
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isMyObject(asd)
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isMyObject(asdCopy)
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