[swift-evolution] [Pitch] Typed throws

[Anton Zhilin]

Now this is on-topic, I guess.
Last time we stopped at John McCall’s syntax:

extension MyError: Error { ... }

func foo() throws(MyError) -> MyResult

It’s conservative and prevents visual ambiguity with extra parentheses.

If we (somewhat) agree on this, then submitting a proposal will be trivial.
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