biocaml/cfstream — pull request #1 by Drup (2014-01-31 02:47:10+00:00)
Title: Add concatmap, An inlined version of the composition (concat . map).

See this mail for motivating benchmarks : https://lists.forge.ocamlcore.org/pipermail/batteries-devel/2014-January/001924.html.

I hope it's consistent with the rest of the library, I'm not used to Core's style.