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Improve the efficiency of stringToCharacters.

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svn path=/nixpkgs/trunk/; revision=17671
This commit is contained in:
Nicolas Pierron 2009-10-06 09:21:58 +00:00
parent 915fa6a08f
commit 088e6995a2
1 changed files with 1 additions and 1 deletions
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2
pkgs/lib/strings.nix
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@ -67,7 +67,7 @@ rec {
stringToCharacters = s: let l = stringLength s; in
if l == 0
then []
else [(substring 0 1 s)] ++ stringToCharacters (substring 1 (builtins.sub l 1) s);
else map (p: substring p 1 s) (lib.range 0 (sub l 1));
# Manipulate a string charcater by character and replace them by strings