DIP60: @nogc attribute

[froglegs via Digitalmars-d]

> Well, most of the new games (Unity3D) are done in C# nowadays 
> and people live with it even though game development is one of 
> the biggest C++ loving and GC hating crowd there is.

  Unity3D the engine is written primarily in C++, not C#.

The Unity editor and gameplay code is written in C# because that 
type of code is generally not performance sensitive.