| Operator | Description | Usage and Notes | |
|---|---|---|---|
| Scope operators (Left to right) | |||
| C++ | ::
| scope resolution | class_name :: member
|
| C++ | ::
| global | :: name
|
.
| member selction | object . member
| |
->
| member selection | pointer -> member
| |
[]
| subscripting | pointer[expr]
| |
()
| function call | expr(expr_list)
| |
| C++ | ()
| constructor | type(expr_list)
|
sizeof
| size of object | sizeof expr
| |
sizeof
| size of type | sizeof(type)
| |
| Unary operators (Right to left) | |||
++
| post increment | lvalue ++
| |
++
| pre increment | ++ lvalue
| |
--
| post decrement | lvalue --
| |
--
| pre decrement | -- lvalue
| |
~
| bitwise complement | ~ expr
| |
!
| logical not | ! expr Any non-zero value is logically true | |
-
| unary minus | - expr
| |
+
| unary plus | + expr
| |
&
| address of | & lvalue
| |
*
| dereference | * expr
| |
| C++ | new
| create (allocate) | new type
|
| C++ | delete
| destroy (de-allocate) | delete pointer
|
| C++ | delete []
| destroy array | delete [] pointer
|
()
| cast | (type) expr
| |
| Member selection operators (Left to right) | |||
| C++ | .*
| member selection | object .* pointer to member
|
| C++ | ->*
| member selection | pointer ->* pointer to member
|
| Arithmetic operators (Left to right) | |||
*
| multiply | expr * expr
| |
/
| divide | expr / expr
| |
%
| modulo | expr % expr
| |
+
| add | expr + expr
| |
-
| subtract | expr - expr
| |
<<
| shift left | expr << expr
| |
>>
| shift right | expr >> expr
| |
| Relational operators (Left to right) | |||
< <=
> >=
| conditionals | True/false values are non-zero/zero, not always 1/0 | |
== !=
| equality | ||
| Bitwise operators (Left to right) | |||
&
| bitwise AND | ||
^
| bitwise XOR | ||
|
| bitwise OR | ||
| Logical operators (Left to right) | |||
&&
| logical AND | ||
||
| logical OR | ||
? :
| ternary operator | expr ? expr : expr
| |
| Assignment operators (Right to left) | |||
= *= /=
%=
| assignment operators | lvalue assignment expr | |
+= -=
<<= >>=
| |||
&= |=
^=
| |||
| Exception operator (Left to right) | |||
| C++ | throw
| throw exception | throw expr
|
| Sequence operator (Left to right) | |||
,
| sequencing | expr, expr
| |