returns a hash value
The returned integer number will always be the same for an object. The returned number might not depend on the platform the program is running!
It must be computed from the object's contents solely!
| std::equal | compares two objects for equality |
| std_types::character | computes a numerical hash value |
| std_types::device_id | returns an integer hash value for a device ID |
| std_types::directory | returns an integer hash value for a directory |
| std_types::error_number | returns an integer hash value for an error number |
| std_types::file_descriptor | returns an integer hash value for a file descriptor |
| std_types::file_type | returns an integer hash value for a file type |
| std_types::group_id | returns an integer hash value for a group ID |
| std_types::inode_number | returns an integer hash value for an inode number |
| std_types::negative_integer | returns an integer hash value |
| std_types::octet_string | returns a numerical hash value |
| std_types::positive_integer | returns an integer hash value |
| std_types::process_id | returns an integer hash value for a process id |
| std_types::quad_octet_string | returns a numerical hash value |
| std_types::real | returns an integer hash value |
| std_types::shutdown_type | returns an integer hash value for a shutdown type |
| std_types::unique_item | returns a numerical hash value |
| std_types::user_id | returns an integer hash value for a user id |