翻訳と辞書 |
associativity The property of an operator that says whether a sequence of three or more expressions combined by the operator will be evaluated from left to right (left associative) or right to left (right associative). For example, in Perl, the {lazy and} operator && is left associative so in the expression: $i >= 0 && $x[$i] >= 0 && $y[$x[$i]] == 0
the left-most && is evaluated first, whereas = is right associative, so in $a = $b = 42
the right-most assignment is performed first. (2007-06-16)
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