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Type aliases do not work with Exceptions. #10889

kayabaNerve opened this issue Mar 22, 2019 · 1 comment


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commented Mar 22, 2019

When creating a type alias for an Exception, there's a compile time error of raised object of type ref B does not inherit from Exception (on devel).

    A = ref object of Exception
    B = A
raise newException(B, "")

The expected behavior is this throws a runtime error with a blank message.

On stable, the error is only a 'ref object' can be raised.

@mratsim mratsim added the Semcheck label Mar 24, 2019


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commented May 29, 2019

Btw newException works with non-ref object types.

@Araq Araq closed this in 8951680 May 29, 2019

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