What C++ compilers are supporting lambda already?

Question

Are there C++ compilers already supporting C++0x lambda expressions?

Answer 1

Intel C++ Compiler does, e.g. according to TBB Tutorial.

Answer 2

G++ supports it in 4.5 if you enable it using -std=gnu++0x.

Answer 3

g++ has support since 4.5. Status for C++11 support in gcc can be found here.

Answer 4

Visual Studio 2010 CTP supports it already.

Update: It is now Visual Studio 2010 Beta 2