cout is not working in lambda function of a route

[ghost]

the code inside a handler works as usual, except 'cout', for example:

server.resource["^/$"]["GET"] = [](................){
  cout << "abc";
};

it doesn't print out anything

void handle_get_root(.........................){
  cout << "xyz";
}

server.resource["^/$"]["GET"] = handle_get_root;

doesn't print out 'xyz' too

[ghost]

tks god, i found the answer: http://stackoverflow.com/questions/14858262/stdcout-wont-print

i need to call cout.flush()

but i still don't know why i have to call 'flush'.

most of the time nobody needs to call 'flush'

[eidheim]

There are no guarantees that a flush is called when you use std::cout, unless using std::endl, std::flush, or when a program exits. In the case above, I would simply write cout << "abs" << endl; when using std::cout for testing purposes.

[ghost]

ah yeah, endl works