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/gist:dcc493564d5f2170ca92 Secret

Created Aug 20, 2013
What would you like to do?
How many people know that the comma operator is overloadable?
#include <iostream>
template<typename T>
std::ostream& operator,(std::ostream& s, const T& x)
return s << ", " << x;
int main(int argc, char* argv[])
std::cout << "A", "bunch", "of", "comma-separated", "strings";
return 0;
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