A collection of higher order utility functions written in python.

utils.py

import functools


def identity(func):
    return func


def partial(func, *args, **kwargs):
    return functools.partial(func, *args, **kwargs)


def compose(*functions):
    return lambda arg: reduceRight(lambda x, func: func(x), functions, arg)


def reduceRight(func, sequence, init = None):
    return functools.reduce(func, reversed(sequence), init)


def map(func):
    return lambda sequence: (func(x) for x in sequence)