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returns v0.13.0 Release Notes

Release Date: 2020-02-02 // about 4 years ago

  • 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