partition

lib.lists.partition

Primop

Docs pulled from | This Revision | about 1 hour ago

Takes 2 arguments

pred, list

Splits the elements of a list in two lists, right and wrong, depending on the evaluation of a predicate.

(a -> bool) -> [a] -> { right :: [a]; wrong :: [a]; }

partition (x: x > 2) [ 5 1 2 3 4 ]
=> { right = [ 5 3 4 ]; wrong = [ 1 2 ]; }

This function is implemented in c++ and is part of the native nix runtime.

The following is the current implementation of this function.

partition = builtins.partition;