diff options
Diffstat (limited to 'pkgs/lib/default.nix')
| -rw-r--r-- | pkgs/lib/default.nix | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/lib/default.nix b/pkgs/lib/default.nix index eaeea3af8c1c..a99f09c80dfb 100644 --- a/pkgs/lib/default.nix +++ b/pkgs/lib/default.nix @@ -366,6 +366,10 @@ rec { # calls a function (f attr value ) for each record item. returns a list mapRecordFlatten = f : r : map (attr: f attr (builtins.getAttr attr r) ) (attrNames r); + # maps a function on each attr value + # f = name : attrValue : .. + mapAttrs = f : r : listToAttrs ( mapRecordFlatten (n : a : nv n ( f n a ) ) r); + # to be used with listToAttrs (_a_ttribute _v_alue) nv = name : value : { inherit name value; }; # attribute set containing one attribute |