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Utility functions for common tasks when composing functions.

Project description

composetools

A library of utility functions for Pythonic function composition.
Most utilities are focused on transforming and dealing with iterables.

Install

pip install composetools

Functions

  • compose

    Compose functions such that compose(f, g)(x) is equivalent to g(f(x))

  • pipe

    Compose functions such that pipe(f, g)(x) is equivalent to f(g(x))

Utilities

  • unique - Yield unique items of an iterable.
  • each - Curried map.
  • keep - Curried filter.
  • mask - Curried itertools.compress.
  • drop - Curried itertools.filterfalse.
  • sort - Curried sorted.
  • flat - Flatten an arbitrarily nested iterable to a desired depth.
  • also - Call a function and return its input, eg. also(print)(4) will print 4 and return 4.

Develop

$ gh repo clone SeparateRecords/python-composetools
$ poetry install
$ poetry run python -m pytest tests.py

Licence

ISC

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