Returns an implementation-defined value representing some offset from the start of the line represented by this object (i.e., the column number). Column numbers are presumed to be 1-indexed.

[edit]Parameters

(none)

[edit]Return value

An implementation-defined value representing some offset from the start of the line represented by this object (i.e., the column number).

An implementation is encouraged to use0 when the column number is unknown.

[edit]Example

#include <iostream>#include <source_location> template<typename T=std::source_location>inlinevoid pos(const T& location= T::current()){std::cout<<"("<< location.line()<<':'<< location.column()<<") ";} int main(){//      ↓: column #9    pos();std::cout<<"Proxima\n";// row #18      pos();std::cout<<"Centauri\n";// row #19//        ↑: column #11}

(18:9) Proxima(19:11) Centauri

[edit]See also

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