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Iterator#flat_map returns an iterator #3766

Merged

asterite merged 1 commit into crystal-lang:master from makenowjust:feature/iterator/flat-map

Dec 26, 2016

Contributor

makenowjust commented Dec 24, 2016 •

edited

And, Enumerable#flat_map flatten Iterator like Array#flatten now.

In Ruby, Enumrator::Lazy#flat_map returns Enumerator::Lazy, so I think it is good that Iterator#flat_map returns a iterator like Ruby.


          Iterator#flat_map returns an iterator

9d607e7

and Enumerable#flat_map and Iterator#flat_map flattens Iterator,
like Array#flatten.

Member

asterite commented Dec 26, 2016

This is excellent, thank you!! 💙

asterite merged commit 3a81780 into crystal-lang:master

asterite added kind:feature topic:stdlib labels

asterite added this to the 0.20.4 milestone

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