...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Inherited from basic_file.
Get the size of the file.
uint64_t size( boost::system::error_code & ec) const;
This function determines the size of the file, in bytes.
Set to indicate what error occurred, if any.