[tab:support.srcloc.current]

Table 43 — Value of object returned by current [tab:support.srcloc.current]

🔗 Element	Value
🔗 line_	A presumed line number ([cpp.predefined]). Line numbers are presumed to be 1-indexed; however, an implementation is encouraged to use 0 when the line number is unknown.
🔗 column_	An implementation-defined value denoting some offset from the start of the line denoted by line_. Column numbers are presumed to be 1-indexed; however, an implementation is encouraged to use 0 when the column number is unknown.
🔗 file_name_	A presumed name of the current source file ([cpp.predefined]) as an ntbs.
🔗 function_name_	A name of the current function such as in __func__ ([dcl.fct.def.general]) if any, an empty string otherwise.

17 Language support library [support]