Created
February 3, 2019 03:15
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| type | |
| Foo = object of RootObj | |
| Bar = object of Foo | |
| Baz = object of Foo | |
| proc castMaybe(foo: var Foo) = | |
| if foo of Bar: | |
| foo = Baz(foo) | |
| var b: Foo | |
| b = Bar() | |
| castMaybe(b) | |
| doAssert b of Baz |
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Compiles but throws ObjectAssignmentError at line 11