dartsult 0.1.3

A library implements Rust style [Result] for Dart error handle.

0.1.3

• fix meta dependency conflict with flutter_test

0.1.2

• add detailed comments for methods in Result
• add more test cases
• rename core.dart to result.dart

0.1.1

• remove some documents
• update README

0.1.0

• add map,mapError, mapOr and mapOrElse methods
• reconstruct Result to Result<T, E>
• private Ok<T> and Error<T>

0.0.1

• Initial version.