Note:
- Operator Precedence not affect the operator overloading .
- For study C ++ operator precedence, reference may cppreference
, which provides detailed annotations.
Post author Author: Gray
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| priority | Operators | Associativity | Mnemonic |
|---|---|---|---|
| 1 | :: |
from left to right | Scope |
| 2 | a++、a--、type()、type{}、a()、a[]、.、-> |
from left to right | Postfix increase or decrease the function transformation of style, function calls, subscript, member access |
| 3 | !、~、++a、--a、+a、-a、(type)、sizeof、&a、*a、new、 new[]、delete、 delete[] |
from right to left | Logical NOT, bitwise, Prefix decrease, positive and negative, C transition style, size fetch, fetch address, pointer accesses, dynamic memory allocation |
| 4 | .*、->* |
from left to right | Pointing member pointer |
| 5 | a*b、a/b、a%b |
from left to right | Multiplication and division, modulo |
| 6 | a+b、a-b |
from left to right | Addition and subtraction |
| 7 | <<、>> |
from left to right | Bitwise shift left and right |
| 8 | <、<=、>、>= |
from left to right | Size comparison |
| 9 | ==、!= |
from left to right | Compare equivalence |
| 10 | a&b |
from left to right | Bitwise AND |
| 11 | ^ |
from left to right | Bitwise XOR |
| 12 | | |
from left to right | Bitwise or |
| 13 | && |
from left to right | Logic and |
| 14 | || |
from left to right | Logical or |
| 15 | a?b:c、=、+=、-=、*=、/=、%=、&=、^=、|=、<<=、>>= |
from right to left | Ternary conditional, assignment |
| 16 | , |
from left to right | comma |