C++ —— lambda (C++ 11) 1

语法

// [ capture-list ] ( params ) -> { body }
// [ capture-list ] ( params ) { body }
// [ capture-list ] { body }

// e.g.
int main(int argc, const char * argv[])
{
    auto x1 = [](int i){ return i; };
    x1(10);
}