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I implemented try() in Go five years ago with an AST preprocessor and used it in real projects, it was pretty nice: https://github.com/lunixbochs/og

Here are some examples of me using it in error-check-heavy functions: https://github.com/lunixbochs/poxd/blob/master/tls.go#L13




I wrote something similar but of lower quality about 5 years ago as well




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