csharplang
https://github.com/dotnet/csharplang
C#
The official repo for the design of the C# programming language
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- Issues
- Allow generic extension methods with 'this in T' and T struct to compile
- Draft spec for extended partial methods
- Allow `is not ... designator` as legal pattern. (VS 16.8, .NET 5)
- Consider changing the inferred type of stackalloc to a Span<T> instead of a T* if using a safe context
- Allow direct casting between type parameters and all types
- [Tuple specification] Tuple Literals/Tuple Expressions
- Allow ref assignment for switch expressions
- Permit non-void return types for partial methods (VS 16.8, .NET 5)
- [Proposal] Improve overload resolution for delegate compatibility
- Proposal: improvements to nullable reference types (VS 16.8, .NET 5)
- Docs
- C# not yet supported