13 Functional Programming packages and projects

• Toolz

  7.7 4.7 L4 Python

  A functional standard library for Python.
  

• Coconut

  7.2 6.1 Python

  Simple, elegant, Pythonic functional programming.
  

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• returns

  7.2 9.2 Python

  Make your functions return something meaningful, typed, and safe!
  

• fn.py

  6.9 0.0 L4 Python

  Functional programming in Python: implementation of missing features to enjoy FP
  

• funcy

  6.9 8.6 L5 Python

  A fancy and practical functional tools lib
  

• Pyrsistent

  6.1 6.9 L5 Python

  Persistent/Immutable/Functional data structures for Python
  

• CyToolz

  4.7 3.5 L4 Python

  Cython implementation of Toolz: High performance functional utilities
  

• Deal

  4.4 6.7 Python

  🤝 Design by contract for Python. Write bug-free code. Add a few decorators, get static analysis and tests for free.
  

• classes

  3.9 4.5 Python

  Smart, pythonic, ad-hoc, typed polymorphism for Python
  

• PyContracts

  3.5 1.3 Python

  PyContracts is a Python package that allows to declare constraints on function parameters and return values. Contracts can be specified using Python3 annotations, or inside a docstring. PyContracts supports a basic type system, variables binding, arithmetic constraints, and has several specialized contracts and an extension API.
  

• icontract

  3.3 5.8 Python

  Design-by-contract in Python3 with informative violation messages and inheritance
  

• effect

  3.2 2.6 Python

  effect isolation in Python, to facilitate more purely functional code
  

• dpcontracts

  3.1 10.0 Python

  An implementation of contracts for Python.
  

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

Popular Comparisons

• funcy
  vs
  Toolz
• Toolz
  vs
  fn.py
• CyToolz
  vs
  Toolz
• fn.py
  vs
  funcy
• Pyrsistent
  vs
  Toolz