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std::source...ion::column(3) C++ Standard Libary std::source...ion::column(3) NAME std::source_location::column - std::source_location::column Synopsis constexpr std::uint_least32_t column() const noexcept; (since C++20) Returns an implementation-defined value representing some offset from the start of the line represented by this object (i.e., the column number). Col- umn numbers are presumed to be 1-indexed. Parameters (none) 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 use 0 when the column number is unknown. Example // Run this code #include <iostream> #include <source_location> template<typename T = std::source_location> inline void 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 } Possible output: (18:9) Proxima (19:11) Centauri See also line return the line number represented by this object (public member function) file_name return the file name represented by this object (public member function) function_name return the name of the function represented by this object, if any (public member function) Filename and line information http://cppreference.com 2022.07.31 std::source...ion::column(3)
NAME | Synopsis | Parameters | Return value | Example | Possible output: | See also
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