Why Rust closures are somewhat hard

Re:Why Rust closures are somewhat hard by dman on Monday September 10, 2018 @05:47PM (#17955504)

I have had to write specialized lookup tables multiple times for the problem at hand. In every case doing something custom gave non trivial speedups over existing off the shelf solutions.

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Re:Why Rust closures are somewhat hard by k__ on Monday September 10, 2018 @05:54PM (#17955552)

I guess I do such thing all the time, but more or less on-the-fly.

Would be nice if there was some theory around this I could follow :)

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