cpp:operators
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Τελεστές
Η προτεραιότητα των τελεστών στη C++ δίνεται από τον παρακάτω πίνακα.
| Level | Precedence group | Operator | Description | Grouping | |
|---|---|---|---|---|---|
| 1 | Scope | :: | scope qualifier | Left-to-right | |
| 2 | Postfix (unary) | ++ – | postfix increment / decrement | Left-to-right | |
| () | functional forms | ||||
| [] | subscript | ||||
| . → | member access | ||||
| 3 | Prefix (unary) | ++ – | prefix increment / decrement | Right-to-left | |
| ~ ! | bitwise NOT / logical NOT | ||||
| + - | unary prefix | ||||
| & * | reference / dereference | ||||
| new delete | allocation / deallocation | ||||
| sizeof | parameter pack | ||||
| (type) | C-style type-casting | ||||
| 4 | Pointer-to-member | .* →* | access pointer | Left-to-right | |
| 5 | Arithmetic: scaling | * / % | multiply, divide, modulo | Left-to-right | |
| 6 | Arithmetic: addition | + - | addition, subtraction | Left-to-right | |
| 7 | Bitwise shift | « » | shift left, shift right | Left-to-right | |
| 8 | Relational | < > ⇐ >= | comparison operators | Left-to-right | |
| 9 | Equality | == != | equality / inequality | Left-to-right | |
| 10 | And | & | bitwise AND | Left-to-right | |
| 11 | Exclusive or | bitwise XOR | Left-to-right | ||
| 12 | Inclusive or | | | bitwise OR | Left-to-right | |
| 13 | Conjunction | && | logical AND | Left-to-right | |
| 14 | Disjunction | || | logical OR | Left-to-right | |
| 15 | Assignment-level expressions | = *= /= %= += -= »= «= &= | = |= | assignment / compound assignment | Right-to-left |
| ?: | conditional operator | ||||
| 16 | Sequencing | , | comma separator | Left-to-right |
cpp/operators.1491796561.txt.gz · Last modified: 2017/04/10 02:56 (external edit)