How to unmangle mangled names of C++ lambdas?

Question

After compilation with g++-4.9.3 -std=c++11 the code

#include 
#include 
using namespace std;
int main() { cout          


        

Answer 1

If you don't need it inside your code, and its only for fun then use an online tool like http://d.fuqu.jp/c++filtjs/ which for Z4mainEUlvE_ it returns main::{lambda()#1}.

Other tools can be found under this Stack Overflow question.