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// is_bind_expression example
#include <iostream> // std::cout, std::boolalpha
#include <functional> // std::bind, std::plus, std::placeholders, std::is_bind_expression
int main () {
using namespace std::placeholders; // introduces _1
auto increase_int = std::bind (std::plus<int>(),_1,1);
std::cout << std::boolalpha;
std::cout << std::is_bind_expression<decltype(increase_int)>::value << '\n';
return 0;
}
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