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16 lines
346 B
Python
16 lines
346 B
Python
i: Int = 2 - 1
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assert i in Nat
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i: Nat
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assert i in Str # ERR, i cannot be of type Str
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f(opt_i: Int or NoneType) =
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if opt_i != None, do:
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if opt_i >= 0, do:
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log opt_i.times!
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log opt_i + 1 # OK
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log opt_i.times! # ERR
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if isinstance(opt_i, Int), do:
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log opt_i + 1 # OK
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log opt_i + 1 # ERR
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f(1)
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