refactor Dir.tmpdir - make it more idiomatic and functional
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Use `Enumerable#find` to iterate over the candidates, not `Enumerable.each`. (this makes the code more functional, and - IMO - slightly more idiomatic, as it avoids setting the "global" (by which I mean: non-local) `tmp` variable from inside the block)
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Use
Enumerable#findto iterate over the candidate directories, notEnumerable#each.This gives the code a more functional "feel", and also makes it - IMO - slightly more idiomatic, as it avoids setting the "global" (by which I mean: non-local)
tmpvariable from inside the block.