dry-python/returns 0.13.0

Version 0.13.0

on GitHub

Announcing article: https://sobolevn.me/2020/02/typed-functional-dependency-injection

Features

• Breaking: renames join to flatten, sorry!

• Breaking: renames box to bind and moves it to returns.pointfree

• Breaking: removes Maybe.rescue and Maybe.fix methods

• Breaking: renames io_squash to squash_io
  and moves it to returns.converters

• Breaking: moves all interfaces from returns.primitives.container to
  returns.primitives.interfaces

• Adds rescue pointfree function

• Adds ResultE alias for Result[..., Exception]

• Adds RequiresContext container and Context helper class

• Adds RequiresContext support for bind pointfree function

• Adds RequiresContext support for flatten function

• Adds RequiresContextResult container

• Adds RequiresContextResultE alias

• Adds ReaderResult and ReaderResultE aliases
  for RequiresContextResult[..., ..., Exception]

• Adds RequiresContextResult support for bind and rescue

• Adds RequiresContextResult support for flatten

• Adds IOResult helper to work better with IO[Result[a, b]]

• Adds IOResultE alias for IOResult[a, Exception]

• Adds IOResult support for bind

• Adds IOResult support for flatten

• Adds IOResult support for @pipeline

• Adds IOResult support for coalesce

• Adds IOResult support for is_successful

• Adds RequiresContextIOResult container

• Adds RequiresContextIOResultE alias

• Adds ReaderIOResult and ReaderIOResultE aliases
  for RequiresContextIOResult[..., ..., Exception]

• Adds RequiresContextIOResult support for bind and rescue

• Adds RequiresContextIOResult support for flatten

• Adds Result.lift, Maybe.lift, RequiresContext.lift,
  and RequiresContextResult.lift functions in addition to IO.lift

• Adds Immutable primitive type

• Adds Unitable protocol and .from_success() and .from_failure()
  methods for all Result realted classes

• Adds Instanceable protocol and .from_value() method
  for IO and RequiresContext

• Adds flow function, which is similar to pipe

• Adds swap coverter for Result and IOResult

• Adds squash_context function to squash RequiresContext similar to IO

Bugfixes

• Now Success and Failure (both io and pure) return Any and not NoReturn
• Fixes how flatten works, also adds more tests and docs about Failure case
• Fixes Unwrappable type being parametrized with only one TypeVar
• Changes Success and Failure to return Any instead of NoReturn

Misc

• Updates poetry version in travis
• Imporves pipe docs with lambda and Generic problem
• Improves docs in several places
• Now examples in docs tries to be docstests where possible
• Changes how tests are checked with mypy in CI