Function returning a lambda expression

Question

I wonder if it\'s possible to write a function that returns a lambda function in C++11. Of course one problem is how to declare such function. Each lambda has a type, but th

Answer 1

You can return lambda function from other lambda function, since you should not explicitly specify return type of lambda function. Just write something like that in global scope:

 auto retFun = []() {
     return [](int x) {return x;};
 };