Version history

We follow Semantic Versions since the 0.1.0 release.

Version 0.4.0 aka Goodbye, Monads!

Features

  • Moves all types to .pyi files
  • Renames all classes according to new naming pattern
  • HUGE improvement of types
  • Renames fmap to map
  • Renames do_notation to pipeline, moves it to functions.py
  • Renames ebind to rescue
  • Renames efmap to fix
  • Renames Monad to Container
  • Removes Maybe monad, since typing does not have NonNullable type

Version 0.3.1

Bugfixes

  • Adds py.typed file to be PEP561 compatible

Version 0.3.0, Renamed to returns

The project is renamed to returns and moved to dry-python org.

Features

  • Adds .pyi files for all modules, to enable mypy support for 3rd party users

Version 0.2.0

Features

  • Adds Maybe monad
  • Adds immutability and __slots__ to all monads
  • Adds methods to work with failures
  • Adds safe decorator to convert exceptions to Result monad
  • Adds is_successful() function to detect if your result is a success
  • Adds failure() method to unwrap values from failed monads

Bugfixes

  • Changes the type of .bind method for Success monad
  • Changes how equality works, so now Failure(1) != Success(1)
  • Changes how new instances created on unused methods

Misc

  • Improves docs

Version 0.1.1

Bugfixes

  • Changes how PyPI renders package’s page

Misc

  • Improves README with new badges and installation steps

Version 0.1.0

Initial release. Featuring only Result and do_notation.

← Helper functions