cpp/error/error category/operator cmp

Compares to another error category.

@1@ Checks whether and  refer to the same object. @2@ Checks whether and  do not refer to the same object. @3@ Orders and  by the order of  and. Equivalent to. @4@ Orders and  by the order of  and. Equivalent to.

Return value
@1@ if  and  refer to the same object,  otherwise. @2@ if  and  do not refer to the same object,  otherwise. @3@ if  is less than  as defined by the order of  and. @4@ if  is less than  as defined by the order of  and, otherwise  if  is less than  in the order, otherwise.