23 lines
764 B
Nix
23 lines
764 B
Nix
{ lib, ... }:
|
|
with builtins;
|
|
with lib;
|
|
rec {
|
|
# attrsToList
|
|
attrsToList = attrs: mapAttrsToList (name: value: { inherit name value; }) attrs;
|
|
|
|
# mapFilterAttrs ::
|
|
# (name -> value -> bool)
|
|
# (name -> value -> { name = any; value = any; })
|
|
# attrs
|
|
mapFilterAttrs = pred: f: attrs: filterAttrs pred (mapAttrs' f attrs);
|
|
|
|
# Generate an attribute set by mapping a function over a list of values.
|
|
genAttrs' = values: f: listToAttrs (map f values);
|
|
|
|
# anyAttrs :: (name -> value -> bool) attrs
|
|
anyAttrs = pred: attrs: any (attr: pred attr.name attr.value) (attrsToList attrs);
|
|
|
|
# countAttrs :: (name -> value -> bool) attrs
|
|
countAttrs = pred: attrs: count (attr: pred attr.name attr.value) (attrsToList attrs);
|
|
}
|