Funx.Utils

Mix.install([
  {:funx, "0.8.8"}
])

A collection of higher-order functions for functional programming in Elixir.

This module provides utilities for working with functions in a functional programming style. It includes:

• curry/1: Transforms a multi-argument function into a curried version.
• curry_r/1: Transforms a multi-argument function into a curried version, but from right to left.
• flip/1: Reverses the argument order of a two-argument function.

Function Examples

import Funx.Utils

curry/1

Transforms a function of arity n into a curried version, allowing it to be applied one argument at a time.

Example

add = fn a, b -> a + b end
curried_add = curry(add)
add_three = curried_add.(3)
add_three.(2)

curry_l/1

Alias for curry/1, explicitly denoting left-to-right argument application.

Example

subtract = fn a, b -> a - b end
curried_subtract = curry_l(subtract)
subtract_five = curried_subtract.(5)
subtract_five.(3)

curry_r/1

Transforms a function of arity n into a right-curried version, applying arguments from right to left.

Example

divide = fn a, b -> a / b end
curried_divide = curry_r(divide)
divide_by_two = curried_divide.(2)
divide_by_two.(10)

flip/1

Reverses the argument order of a two-argument function.

The flip/1 function takes a function of arity 2 and returns a new function where the first and second arguments are swapped.

Examples

divide = fn a, b -> a / b end
flipped_divide = flip(divide)
flipped_divide.(2, 10)