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authorMichael Raskin <7c6f434c@mail.ru>2009-10-23 07:00:15 +0000
committerMichael Raskin <7c6f434c@mail.ru>2009-10-23 07:00:15 +0000
commita9a462f13d95163a6364f1817eba2930cab43a21 (patch)
treec2219290579756357ae3225f82c265bf2f14bf71 /pkgs/lib
parent59613ffe560ed725e7cb93a972ec9e31097ddb0e (diff)
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Try to add missing flip function for NixOS
svn path=/nixpkgs/trunk/; revision=17933
Diffstat (limited to 'pkgs/lib')
-rw-r--r--pkgs/lib/trivial.nix2
1 files changed, 2 insertions, 0 deletions
diff --git a/pkgs/lib/trivial.nix b/pkgs/lib/trivial.nix
index 4b99ad8c72c..35e4f3ee9f9 100644
--- a/pkgs/lib/trivial.nix
+++ b/pkgs/lib/trivial.nix
@@ -15,4 +15,6 @@ rec {
   # Take a function and evaluate it with its own returned value.
   fix = f: let result = f result; in result;
 
+  # Flip argument order
+  flip = f: x: y: f y x;
 }