原帖由 emacsnw 于 2008-9-19 01:58 发表
while (*p++ = *q++) 就很好,非要写成 while (*(p++) = *(q++)) 吗?
或者 if (a == b && c != d) 非要写成 if ((a == b) && (c != d)) ?
while (*p++ = *q++) 就很好,非要写成 while (*(p++) = *(q++))
原帖由 emacsnw 于 2008-9-19 01:58 发表
while (*p++ = *q++) 就很好,非要写成 while (*(p++) = *(q++)) 吗?
或者 if (a == b && c != d) 非要写成 if ((a == b) && (c != d)) ?
Operator | Description | Associativity |
() [] . -> ++ -- | Parentheses (function call) (see Note 1) Brackets (array subscript) Member selection via object name Member selection via pointer Postfix increment/decrement (see Note 2) | left-to-right |
++ -- + - ! ~ (type) * & sizeof | Prefix increment/decrement Unary plus/minus Logical negation/bitwise complement Cast (change type) Dereference Address Determine size in bytes | right-to-left |
* / % | Multiplication/division/modulus | left-to-right |
+ - | Addition/subtraction | left-to-right |
<< >> | Bitwise shift left, Bitwise shift right | left-to-right |
< <= > >= | Relational less than/less than or equal to Relational greater than/greater than or equal to | left-to-right |
== != | Relational is equal to/is not equal to | left-to-right |
& | Bitwise AND | left-to-right |
^ | Bitwise exclusive OR | left-to-right |
| | Bitwise inclusive OR | left-to-right |
&& | Logical AND | left-to-right |
|| | Logical OR | left-to-right |
?: | Ternary conditional | right-to-left |
= += -= *= /= %= &= ^= |= <<= >>= | Assignment Addition/subtraction assignment Multiplication/division assignment Modulus/bitwise AND assignment Bitwise exclusive/inclusive OR assignment Bitwise shift left/right assignment | right-to-left |
, | Comma (separate expressions) | left-to-right |
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