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Add concatStringsSep as a primop

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This fixes the quadratic behaviour of concatStrings/concatStringsSep
in Nixpkgs.
This commit is contained in:
Eelco Dolstra 2015-07-24 02:31:58 +02:00
parent cb4320c1a0
commit 2e8fd4c5cd
3 changed files with 30 additions and 0 deletions
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1
tests/lang/eval-okay-concatstringssep.exp Normal file
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@ -0,0 +1 @@
[ "" "foobarxyzzy" "foo, bar, xyzzy" "foo" "" ]

8
tests/lang/eval-okay-concatstringssep.nix Normal file
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with builtins;
[ (concatStringsSep "" [])
(concatStringsSep "" ["foo" "bar" "xyzzy"])
(concatStringsSep ", " ["foo" "bar" "xyzzy"])
(concatStringsSep ", " ["foo"])
(concatStringsSep ", " [])
]