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CHANGELOG.md

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What's new in 5.0.0 (Released 2018-05-08)

  • The library has been refactored completely, consuming much of the functionality of the deprecated Tiger.ErrorTypes.
  • See the wiki for migration details.
  • The library now supports multiple target frameworks.
  • Relevant types have been marked as readonly, increasing performance in some scenarios.
    • Accordingly, many methods have been annotated with in.
  • The Error type has been promoted from Tiger.ErrorTypes.
  • The Try<TErr, TOk> type has arrived, providing the functionality of an optional either.

What's new in 4.0.0 (Released 2017-04-10)

  • Types that obey the monad laws have grown a Join method.
  • The Bind operation on many types has been made more efficient.
  • Asynchronous operations have been made significantly more efficient.
  • Collections have learned some new tricks, such as folding asynchronously.
  • Equality operations have been made slightly more efficient.
  • Many extension methods have been moved into a more easily imported namespace.
  • The project has moved to the latest versions of tools in the .NET ecosystem, and refactorings have been made accordingly.

What's new in 3.1.0 (Released 2016-11-21)

  • The Split method of Either has learned a few convenient overloads.

What's new in 3.0.0 (Released 2016-11-14)

  • Thanks to the magic of the .NET Standard, Tiger libraries are available to a wider set of platforms than ever before. The project now targets .NET Standard 1.0.
  • The Either static class has learned from Option.None and can indirectly create Either instances without specifying type parameters.
  • The main types of the library have had their struct layouts specified, leading to reduced memory usage when boxed.
  • LINQPad's custom dumping has been upgraded to the new method, leading to improved display and debugging.
    • This and other improvements have led to a moderate reduction in the size of the library's assembly.
  • Debugger proxies have been attached to the main types of the library, vastly improving debugging.
  • Potentially confusing methods of creating Option instances have been removed.
  • Methods have been added that allow monadic operations to be performed through Tasks.
  • A Unit type, a type with only one value, has been added.
    • Some void-returning methods have been modified to return Unit. This value may safely be ignored.
  • IEnumerable<T> has learned a few monadic operations.

What's new in 2.3.0 (Released 2016-10-28)

  • Option and Either values can be created by splitting a conventional value on a condition.

What's new in 2.2.1 (Released 2016-10-18)

  • An Either value may be cast to its Left type.

What's new in 2.2.0 (Released 2016-08-22)

  • A method of optional dictionary value retrieval has been added.

What's new in 2.1.0 (Released 2016-08-19)

  • A Union type has been added, which is an unbiased union of two types.

What's new in 2.0.0 (Released 2016-07-19)

  • A greater number of methods have been marked as pure.
  • Equality comparisons have been made simpler.
  • The Some static method has been removed from Option, as its usage was identical to From, and saved no cycles.
  • Arguments to Map or Bind that could lead to a violation of laws now throw uncatchable exceptions. Circumstances under which these exceptions occur are to be considered "boneheaded", and represent a bug in the calling code.
  • The null-safety of some methods has been adjusted to match reality.
  • A greater number of Either methods will panic upon being passed an Either in the Bottom state.
  • The performance of a number of methods has been slightly improved by reducing indirect method calls.
  • Option and Either may now be converted from the one to the other, and from the other to the one.
  • Option method parameter names have been adjusted to be parallel with those of other Tiger Types.

What's new in 1.1.0 (Released 2016-07-12)

  • ReSharper has been re-educated on the notion of purity, and will now correctly recognize annotated methods as pure.

What's new in 1.0.0 (Released 2016-07-07)

  • Everything!