1 #include <functional>
2 
3 int foo(int x, int y) {
4   return x + y - 1; // Source foo start line
5 }
6 
7 struct Bar {
8    int operator()() {
9        return 66 ; // Source Bar::operator()() start line
10    }
11    int add_num(int i) const { return i + 3 ; } // Source Bar::add_num start line
12    int num_ = 0 ;
13 } ;
14 
15 int main (int argc, char *argv[])
16 {
17   int acc = 42;
18   std::function<int (int,int)> f1 = foo;
19   std::function<int (int)> f2 = [acc,f1] (int x) -> int {
20     return x+f1(acc,x); // Source lambda used by f2 start line
21   };
22 
23   auto f = [](int x, int y) { return x + y; }; // Source lambda used by f3 start line
24   auto g = [](int x, int y) { return x * y; } ;
25   std::function<int (int,int)> f3 =  argc %2 ? f : g ;
26 
27   Bar bar1 ;
28   std::function<int ()> f4( bar1 ) ;
29   std::function<int (const Bar&, int)> f5 = &Bar::add_num;
30   std::function<int(Bar const&)> f_mem = &Bar::num_;
31 
32   return f_mem(bar1) +     // Set break point at this line.
33          f1(acc,acc) +     // Source main invoking f1
34          f2(acc) +         // Set break point at this line.
35          f3(acc+1,acc+2) + // Set break point at this line.
36          // TODO reenable this case when std::function formatter supports
37          // general callable object case.
38          //f4() +            // Set break point at this line.
39          f5(bar1, 10);     // Set break point at this line.
40 }
41