@               Pointer formation                                  Pointer
 +               Addition                                           Binary
 +               Sign identity                                      Unary
 +               Concatenation                                      String
 +               Union                                              Set
 -               Subtraction                                        Binary
 -               Sign Negation                                      Unary
 -               Intersection                                       Set
 *               Multiplication                                     Binary
 *               Intersection                                       Set
 /               Division                                           Binary
 =               Equal                                              Relational
 <>              Not equal                                          Relational
 <               Less than                                          Relational
 >               Greater than                                       Relational
 <=              Less than or equal to                              Relational
 >=              Greater than or equal to                           Relational
 <=              Subset of                                          Relational
 >=              Superset of                                        Relational
 And             Bitwise and                                        Logical
 And             logical and                                        Boolean
 Div             Division                                           Binary
 In              Member of                                          Relational
 Not             Bitwise negation                                   Logical
 Not             Negation                                           Boolean
 Mod             Remainder                                          Binary
 Or              Bitwise Or                                         Logical
 Or              Logical Or                                         Boolean
 Shl             Shift Left                                         Logical
 Shr             Shift Right                                        Logical
 Xor             Bitwsie Xor                                        Logical
 Xor             Logical Xor                                        Boolean