Are there any rationals to prefer nested .iter().map() instead of a bunch of simple loops. What .iter().map() does than simple loop don't? I’m facing this code and think separated loops would make it more readable: let (pdevice, queue_family_index) = unsafe { pdevices .iter() …

What iterator does: Iterator returns a meaningful value. With loop, you cannot get a direct value and you will need temporary variable outside the loop. Iterator is easy to chain modifications. With loop, you will need temporary variables or deeply nested function calls. (For example, let a =…

What `.iter().map()` does than simple loop don't?

code review

H2CO3 March 25, 2020, 3:07pm 10

Iterators are not more and not less than loops, and you should choose between them based on good taste instead of dogmatic rules.

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What `.iter().map()` does than simple loop don't?

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