result_library 1.1.0

A robust Result type implementation for handling success and error states in Flutter and Dart applications.

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

1.0.0 Initial Release (YYYY-MM-DD)

Added

• Introduced the Result<T, E> class for handling success and error states.
• Added utility classes Ok<T, E> and Err<T, E> for representing successful and failed results.
• Included a ResultBuilder class for creating Result instances conveniently.
• Provided comprehensive documentation and examples in the README.md.

Fixed

• Resolved typos and formatting issues in the pubspec.yaml file.
• Ensured compatibility with Dart SDK version >=2.19.0 <4.0.0.

Changed

• Updated the SDK constraint to explicitly reflect compatibility with Dart SDK >=2.19.0 <4.0.0.

Removed

• Removed the deprecated author field from the pubspec.yaml file.

1.1.0 - 2025-10-18

Added

• Added when({ok, err}) method for pattern matching on Result.
• Added fold<R>({ok, err}) method to asynchronously fold into a Future<R>.
• Added map<RT>(mapper) method to transform Ok values while preserving error type.

Changed

• Updated README.md with examples and API docs for when, fold, and map.
• Corrected examples to use err() instead of error() to match the API.

[Unreleased]

• No unreleased changes at this time.