Mono 2.6.4使用什么版本的C＃？

Question

Perhaps (hopefully) I'm missing something obvious, but I can't see from the Mono site what version of C# is used for any particular version of Mono, and as a C# newbie I'm not sure how to find out directly myself.

My specific question is: what version of C# is used by Mono 2.6.4? (The reason I'm interested in that version is that it seems to be the base version of the Mono variant used by the current version of Unity 3D.)

Answer 1

The release notes have this to say:

If Mono 2.6.1 is configured with the preview mode, you will also get early access to Mono's C# 4.0 implementation. This implementation is now available as part of the dmcs command.

C# 4.0 named arguments and optional parameters have been fully implemented.

So, to be safe, keep to C# 3.0 features.

Answer 2

看来通过的外观使用4.0 本