combinatorics

Pure Elm project providing common combinatoric primitives like permutations and selections.

Combinatorics is

an area of mathematics primarily concerned with counting, both as a means and an end in obtaining results, and certain properties of finite structures. It is closely related to many other areas of mathematics and has many applications ranging from logic to statistical physics, from evolutionary biology to computer science, etc.

Usage

You can install the package with the following command.

elm install fifth-postulate/combinatorics

Proceed to import the package in your code and use it.

import Combinatorics

permutations : List (List Int)
permutations =
    Combinatorics.permutationsOf [1, 2, 3, 4]