Hi, I'm a bit puzzled by "scope" of "use". The following program doesn't compile, the line use rayon::iter::ParallelIterator; must be placed before usage of par_iter() and in the top section. The only dependency is rayon = "1.2.1" Code: use rayon::iter::IntoParallelRefIterator; use std::fs; us…

[image] lwojtow: Why doesn't the same rule apply to other 'use' ? Why do I need 'use rayon...' in both places: top of the file and method? The two uses are different. use rayon::iter::IntoParallelRefIterator; use rayon::iter::ParallelIterator; Your code compiles find if the second one is u…

Scope for "use"?

lwojtow December 21, 2019, 10:27am 3

Thanks,
So two follow-up questions:

Why doesn't the same rule apply to other 'use' ?
Why do I need 'use rayon...' in both places: top of the file and method?

Thank you.

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Scope for "use"?

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