(C++) std::uppercase

 

std::uppercase is a stream manipulator: when a number's base and/or non-decimal digits are show, std::uppercase displays these in uppercase.

 

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#include <iostream> int main() {   const int x = 255; //0xFF   std::cout     << std::showbase     << std::hex     << std::uppercase   << x << '\n'     << std::nouppercase << x << '\n'; }

 

Screen output:

 

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0XFF 0xff