From a9a462f13d95163a6364f1817eba2930cab43a21 Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Fri, 23 Oct 2009 07:00:15 +0000
Subject: Try to add missing flip function for NixOS

svn path=/nixpkgs/trunk/; revision=17933
---
 pkgs/lib/trivial.nix | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'pkgs/lib/trivial.nix')

diff --git a/pkgs/lib/trivial.nix b/pkgs/lib/trivial.nix
index 4b99ad8c72c85..35e4f3ee9f9d0 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;
 }
-- 
cgit 1.4.1