Try to add missing flip function for NixOS

svn path=/nixpkgs/trunk/; revision=17933
2009-10-23 07:00:15 +00:00 · 2009-10-23 07:00:15 +00:00 · a9a462f13d
parent 59613ffe56
commit a9a462f13d
1 changed files with 2 additions and 0 deletions
--- 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;
 }