mapCartesianProduct
lib.mapCartesianProduct
Docs pulled from | This Revision | 16 minutes ago
Return the result of function f applied to the cartesian product of attribute set value combinations. Equivalent to using cartesianProduct followed by map.
Inputs
f-
A function, given an attribute set, it returns a new value.
attrsOfLists-
Attribute set with attributes that are lists of values
Type
mapCartesianProduct :: (AttrSet -> a) -> AttrSet -> [a]
Examples
lib.attrsets.mapCartesianProduct usage example
mapCartesianProduct ({a, b}: "${a}-${b}") { a = [ "1" "2" ]; b = [ "3" "4" ]; }
=> [ "1-3" "1-4" "2-3" "2-4" ]