std::source_location::file_name
From cppreference.com
< cpp | utility | source location
C++
Utilities library
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std::source_location
| Member functions | ||||
| Creation | ||||
| Field access | ||||
source_location::file_name | ||||
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constexpr
const
char
* file_name(
)
const
noexcept
;
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(since C++20) | |
Returns the name of the current source file represented by this object, represented as a null-terminated byte string.
Parameters
(none)
Return value
The name of the current source file represented by this object, represented as a null-terminated byte string.
Example
Run this code
#include <iostream> #include <source_location> void print_this_file_name( std::source_location location = std::source_location::current()) { // Name of file that contains the call site of this function. std::cout << "File: " << location.file_name() << '\n'; } int main() { #line 1 "cppreference.cpp" print_this_file_name(); }
Output:
File: cppreference.cpp
See also
| return the line number represented by this object (public member function) |
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| return the column number represented by this object (public member function) |
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| return the name of the function represented by this object, if any (public member function) |
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gets the name of the source file that lexically contains the expression or statement whose evaluation is represented by the stacktrace_entry
(public member function of std::stacktrace_entry)
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| Filename and line information | |