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// stream callbacks
#include <iostream> // std::cout, std::ios_base
#include <fstream> // ofstream
void testfn (std::ios::event ev, std::ios_base& stream, int index)
{
switch (ev)
{
case stream.copyfmt_event:
std::cout << "copyfmt_event\n"; break;
case stream.imbue_event:
std::cout << "imbue_event\n"; break;
case stream.erase_event:
std::cout << "erase_event\n"; break;
}
}
int main () {
std::ofstream filestr;
filestr.register_callback (testfn,0);
filestr.imbue (std::cout.getloc());
return 0;
}
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