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@moleike moleike/

Last active Aug 29, 2015
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Lambda in a C callback
#include <functional>
#include <iostream>
// using a lambda in a C callback
extern "C" void
register_callback (void (*callback)(void *), void * context)
// for simplicity we just call it
callback (context);
extern "C" void
invoke_function (void* ptr)
class example
example (int val) : a(val)
register_callback (invoke_function,
new std::function<void()>([=](){
std::cout << "value is " << a;
int a;
int main()
example ex(42);
return 0;
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