Stella Laurenzo b57d6fe42e [mlir][Python] Add casting constructor to Type and Attribute.
* This makes them consistent with custom types/attributes, whose constructors will do a type checked conversion. Of course, the base classes can represent everything so never error.
* More importantly, this makes it possible to subclass Type and Attribute out of tree in sensible ways.

Differential Revision: https://reviews.llvm.org/D101734
2021-05-03 10:12:03 -07:00
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2021-03-03 18:19:40 +00:00