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* Function concatMap as in Haskell.

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svn path=/nixpkgs/branches/stdenv-updates/; revision=10588
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Yury G. Kudryashov 2008-02-10 17:38:56 +00:00
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commit e7bc12a932
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pkgs/lib/default.nix
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@ -52,6 +52,10 @@ rec {
fold (x: y: x + y) "";
# Map and concatenate the result.
concatMap = f: list: concatLists (map f list);
# Place an element between each element of a list, e.g.,
# `intersperse "," ["a" "b" "c"]' returns ["a" "," "b" "," "c"].
intersperse = separator: list: