Avoid unnecessary closures when deriving RustcDecodable #21199
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Currently, we build a closure that does nothing but pass its argument through to another function, this is rather wasteful and creates lots of unnecessary closures.
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alexcrichton
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Currently, we build a closure that does nothing but pass its argument through to another function, this is rather wasteful and creates lots of unnecessary closures.
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Currently, we build a closure that does nothing but pass its argument
through to another function, this is rather wasteful and creates lots of
unnecessary closures.