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lib.concatMap and lib.mapAttrs to be builtins

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This commit is contained in:
volth 2018-07-05 03:01:13 +00:00
parent 1999d279ec
commit e9a6c7cebb
2 changed files with 4 additions and 3 deletions
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5
lib/attrsets.nix
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@ -195,8 +195,9 @@ rec {
{ x = "foo"; y = "bar"; }
=> { x = "x-foo"; y = "y-bar"; }
*/
mapAttrs = f: set:
listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set));
mapAttrs = builtins.mapAttrs or
(f: set:
listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set)));
/* Like `mapAttrs', but allows the name of each attribute to be

2
lib/lists.nix
View File

@ -101,7 +101,7 @@ rec {
concatMap (x: [x] ++ ["z"]) ["a" "b"]
=> [ "a" "z" "b" "z" ]
*/
concatMap = f: list: concatLists (map f list);
concatMap = builtins.concatMap or (f: list: concatLists (map f list));
/* Flatten the argument into a single list; that is, nested lists are
spliced into the top-level lists.