Can I Use C# 7 with Visual Studio 2015?

Using C# 7 with Visual Studio 2015

Visual Studio 2017 (15.x) offers built-in support for C# 7. However, developers working with Visual Studio 2015 (14.x) can still leverage C# 7 features.

The Solution: Leveraging NuGet Packages

The solution involves installing the Microsoft.Net.Compilers NuGet package. This package effectively replaces the default Visual Studio compiler with a C# 7-compatible version.

<code>dotnet add package Microsoft.Net.Compilers</code>

This approach allows Visual Studio projects to utilize the embedded C# and Visual Basic compilers from the NuGet package, superseding any system-installed compilers.

Important Considerations

It's crucial to understand that Microsoft doesn't officially endorse this method for Visual Studio 2015. While compilation of C# 7 code is often successful, you might encounter red squiggly lines indicating syntax errors within the Visual Studio 2015 IDE.

Additional Package Requirement

To utilize the new C# 7 value tuple features, you'll also need to install the System.ValueTuple NuGet package.

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