.. _functional:

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Functional Programming
======================

.. contents:: Contents
    :local:
    :depth: 2

Functional utility functions
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.. function:: map([iterable], [function(object) => object])  [map]

    Returns a map object, which can be iterated over, and will apply its function
    lazily to each element of another iterable.

.. function:: filter([iterable], [function(object) => object])  [filter]

    Returns a filter object, which can be iterated over, and will yield only the
    elements in its iterator which satisfy the given predicate.