namespace {
int cb1(int a, double b) { return int(a+b); }
- double cb2(){ return 1.2; }
+ double cb2() { return 1.2; }
void cb3(int i) { }
std::string cb4(std::ostream & os) { os << "text\n"; return "value"; }
void cb5(std::ostream & os, std::string const & v) { os << "Value: " << v << "\n"; }