PolySharp provides generated, source-only polyfills for C# language features, to easily use all runtime-agnostic features downlevel
Install
dotnet add package PolySharp --version 1.9.0+5b312d6d25f38794f72189ff4fd68a8590f1fdd6
Install-Package PolySharp -Version 1.9.0+5b312d6d25f38794f72189ff4fd68a8590f1fdd6
<PackageReference Include="PolySharp" Version="1.9.0+5b312d6d25f38794f72189ff4fd68a8590f1fdd6" />
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