From 7b46ccaba5e3c6cd24cf821c5f848c3e4d636512 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Thu, 30 Jun 2016 20:31:43 +0200
Subject: lib.getAttrs: init

---
 krebs/4lib/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'krebs/4lib')

diff --git a/krebs/4lib/default.nix b/krebs/4lib/default.nix
index afff1729..29674833 100644
--- a/krebs/4lib/default.nix
+++ b/krebs/4lib/default.nix
@@ -58,6 +58,10 @@ let out = rec {
 
   genAttrs' = names: f: listToAttrs (map f names);
 
+  getAttrs = names: set:
+    listToAttrs (map (name: nameValuePair name set.${name})
+                     (filter (flip hasAttr set) names));
+
   setAttr = name: value: set: set // { ${name} = value; };
 
   optionalTrace = c: msg: x: if c then trace msg x else x;
-- 
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