No language really **needs** it...
Does Scala even need the `try` keyword, and must `catch` be a keyword? I'd be happy to call `.catch(partialFunction)` directly on an expression or code block. It could be implemented as an extension method.
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I think you need to delete this tweet before it gets added into scala the day before v3 is released
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Interesting. I welcome any alternative to the catch/try paradigm.
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Even the Visual Basic statement On Error/Goto?
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Extension to what?
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Extension to any `=> T`.
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If it's possible to implement as efficiently as normal try/catch, and to opt-out (so that `catch` can be provided as an extension in e.g. MonadError, which would be nice), then sure
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Scala 3 could inline it, but Scala 2 would need an additional allocation and stack frame (or two...).
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Isn’t scala.util.control.Exception the way to compose these.
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I just had a look, and I had no idea that was there! To my knowledge, though, nobody uses it...
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