6.2.0

Changed

• JonasWanke: allow nullable values in Some and Ok

6.1.0

Added

• amaxcz: add matchOk(), matchErr(), and unwrapOrNull() functions to Result
• amaxcs: unwrap() function now contains the original error message

v6.0.0

Changed

• Now requires Dart SDK version 3 or higher.
• BREAKING CHANGE: Both Option and Result are now sealed classes
  which allows for the use of exhaustive pattern matching.
• feelsantiago: introduced the sealed class change to Option and Result.

5.3.0

Fixed

• stumblinbear: Fix possible invalid casting in catch block.

Changed

• kranfix: Replaced pedantic (deprecated) by very_goog_analysis.
• kranfix: Refactored Option into many mixins.
• kranfix: Better implementation for Option async methods.
• kranfix: Ok.unit and Err.unit static methods

5.2.0

Added

• rlch: Added async methods to Option<T> and Result<T, E>.
• rlch: Added missing type arguments to Option<T> and Result<T, E>.
• rlch: Added code coverage for async methods.
• rlch: Added OptionFutureRedirector util to redirect methods called on Future<Option<T>>.
• rlch: Added ResultFutureRedirector util to redirect methods called on Future<Result<T, E>>.

5.1.0

Added

• kranfix: Option<Result<T, E>>.transpose() returns a Result<Option<T>, E>.
• kranfix: Option<Option<T>>.flatten() returns an Option<T>.
• kranfix: Result<Option<T>, E>.transpose() returns an Option<Result<T, E>>.
• kranfix: Result<Result<T, E>, E>.flatten() returns a Result<T, E>.

5.0.1

Changed

• kranfix: Fixed equality operator for Option and Result.
• kranfix: Added more code coverage in unit tests.

5.0.0

Changed

• BREAKING CHANGE: can no longer pass null to Result. The rectifies the inconsistent handling of null values with regards to Option and Result.
• kranfix: refactored Option<T extends Object> to fix Result<int?, Exception>.ok(null).ok()
• kranfix: refactored Result<T extends Object, E extends Object> to fix Result<int?, Exception>.ok(null)

v4.2.0

Added

• lemunozm: added isSome(), isNone() to Option.
• lemunozm: added isOk(), isErr() to Result.
• lemunozm: added Option.from() and Option.toNullable() to make easy conversions with nullable values.
• Added a Unit type that is similar to Rust's () type.

4.1.0

Changed

• lemunozm: return values added to match(), when() in Result, Option.
• BREAKING CHANGE: migrated to null safety and Dart SDK 2.12.

Notes

Forgot to push 4.0 to GitHub, but those commits are now ahead of the changes made more recently for 4.1, so as a result there is no 4.0 release on GitHub.