Implementation of Discriminated Union and Pattern Matching in C#.

string outputValue = x.Match<String>()
.Case(c => c == "Test", v => "It's Test!")
.Case(v => "It's Not Test!")
.Else(() => "It's None!")

var x = new Union<string, int>(100);

// the type annotations below are optional and only added for clerity.
string value = x.Match<string>()
.Case((string v) => v)
.Case((int c) => c == 100, (int v) => "Keeping It 100.")
.Case((int v) => "Tea?")
.Else(() => "Nothing");

Assert.Equal("Keeping It 100.", value);

Install-Package DiscriminatedUnion -Version
dotnet add package DiscriminatedUnion --version
<PackageReference Include="DiscriminatedUnion" Version="" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add DiscriminatedUnion --version
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This package has no dependencies.

This package is not used by any popular GitHub repositories.

Version History

Version Downloads Last updated 553 8/4/2017 289 8/4/2017 297 7/24/2017