Hay , can anyone help with how to get rid of nested `if let` ? that reminds me of callback hell.
Is it good in idiomatic Rust?
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+1 this is in essence that the try! macro does
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Yes, i just made some Refactoring, and start using failure crate and some help of `?` , the code is much cleaner now.
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Yup, `?` is the new `try!`. You might see `try!` around on some old examples.