C# Design Notes for Apr 6, 2016 

roslyn – The .NET Compiler Platform (“Roslyn”) provides open-source C# and Visual Basic compilers with rich code analysis APIs.

情報源: C# Design Notes for Apr 6, 2016 · Issue #10429 · dotnet/roslyn

C# 7の追加仕様ドラフト。だいぶまとまってきた感。