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C_PREC.TXT
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1992-12-26
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Operator Precedence and Associativity Rules in C / C++
============================================================================
( ) function call left-to-right
[ ] array element
. class, structure or union member
-> pointer reference to member
:: scope access / resolution (C++)
----------------------------------------------------------------------------
! logical not right-to-left
~ bitwise complement
- unary minus
+ unary plus
++ increment
-- decrement
& address of
* contents of
(type) cast to type
sizeof size in bytes
new create object (C++)
delete destroy object (C++)
----------------------------------------------------------------------------
.* member pointer (C++) left-to-right
->* pointer reference to member pointer (C++)
----------------------------------------------------------------------------
* multiply left-to-right
/ divide
% remainder
----------------------------------------------------------------------------
+ add left-to-right
- subtract
----------------------------------------------------------------------------
<< bitwise left shift left-to-right
>> bitwise right shift
----------------------------------------------------------------------------
< scalar less than left-to-right
> scalar greater than
<= scalar less than or equal to
>= scalar greater than or equal to
----------------------------------------------------------------------------
== scalar equal left-to-right
!= scalar not equal
----------------------------------------------------------------------------
& bitwise and left-to-right
----------------------------------------------------------------------------
^ bitwise exclusive or left-to-right
----------------------------------------------------------------------------
| bitwise or left-to-right
----------------------------------------------------------------------------
&& logical sequential and left-to-right
----------------------------------------------------------------------------
|| logical sequential or left-to-right
----------------------------------------------------------------------------
? : conditional expression right-to-left
----------------------------------------------------------------------------
= assignment operator right-to-left
also += -= *= /= %=
&= ^= |= >>= <<=
----------------------------------------------------------------------------
, sequential expression left-to-right
----------------------------------------------------------------------------