oxidized 4.0.0

Definitions of Rust-like types, Option and Result, to promote safer programming.

Change Log

All notable changes to this project will be documented in this file. This project adheres to Semantic Versioning. This file follows the convention described at Keep a Changelog.

[4.0.0] - 2020-03-03

Changed

• BREAKING CHANGE: migrated to null safety and Dart SDK 2.12.

[3.1.0] - 2020-03-22

Added

• Add fold() function on Result that combines map() and mapErr().

[3.0.1] - 2020-03-18

Changed

• Fix the package description and code formatting.

[3.0.0] - 2020-03-18

Changed

• BREAKING CHANGES: see below for the details.
• The Result "ok" and "error" values are full-fledged classes now.
• The Option "some" and "none" values are full-fledged classes now.
• Option.isSome() and Option.isNone() are gone, use is Some and is None.
• Result.isOk() and Result.isErr() are gone, use is Ok and is Err.
• The default Result constructor has been renamed to of() instead.
• Passing null to the Option.some() factory constructor will yield a None.
• Both the Ok and Err subclasses of Result allow for null arguments.

[2.0.0] - 2020-03-14

Added

• Borrowing from simple_result, added when() as an alternative to match().

Changed

• BREAKING CHANGE: the various is methods are now getters.
• Extend Equatable in both Option and Result.
• Override the equals operator (==) in both Option and Result.

[1.0.0] - 2020-03-09

Added

• Initial version