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Update Language-Version-History.md (#4396)

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Leandro Fernandes 2021-03-02 15:47:00 -03:00 committed by GitHub
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@ -18,6 +18,7 @@ Features Added in C# Language Versions
- [Module initializers](https://github.com/dotnet/csharplang/blob/master/proposals/csharp-9.0/module-initializers.md): a method attributed with `[ModuleInitializer]` will be executed before any other code in the assembly.
- [Extension `GetEnumerator`](https://github.com/dotnet/csharplang/blob/master/proposals/csharp-9.0/extension-getenumerator.md): an extension `GetEnumerator` method can be used in a `foreach`.
- [Partial methods with returned values](https://github.com/dotnet/csharplang/blob/master/proposals/csharp-9.0/extending-partial-methods.md): partial methods can have any accessibility, return a type other than `void` and use `out` parameters, but must be implemented.
- [Source Generators](https://devblogs.microsoft.com/dotnet/introducing-c-source-generators/)
# C# 8.0 - .NET Core 3.0 and Visual Studio 2019 version 16.3
- [Nullable reference types](https://github.com/dotnet/csharplang/blob/master/proposals/csharp-8.0/nullable-reference-types-specification.md): express nullability intent on reference types with `?`, `notnull` constraint and annotations attributes in APIs, the compiler will use those to try and detect possible `null` values being dereferenced or passed to unsuitable APIs.