Cpp-fast-delegates | Header-only extension for C Fast Delegates of Don

#include "delegates\delegate.h"

...

using namespace delegates;

int func(unsigned char val1, size_t &val2) {/*some actual work*/ return 0;}

...

delegate d2(&func);

...

size_t val = 50;
int t = d2(2, val); // calling 'func' by delegate

  

int func(std::string, size_t&); // regular function
int func(SomeClass*, std::string, size_t&); // same but with class pointer
int func(SomeOtherClass*, std::string, size_t&); // same but with class pointer
int func(const SomeClass*, std: