Impressive: C++ Lambdas via Template Metaprogramming
U. Utah’s Matt Might has implemented lambda expressions in C++, so for instance:
Function2<int,int,int> h(int a, int b) {
return lambda<int> (x,y) --> a*x + b*y ;
}
the value of h(3,4)(1,1) is 7.
So did Oleg Kiselyov: http://okmij.org/ftp/cpp-digest/#lambda-abstr