Include parentheses to establish precedence of operators.

包含括号以建立运算子的优先顺序。

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Unfortunately, most tools for reformatting code are blind to the precedence of operators and impose the same spacing throughout.

不幸的是，多数代码格式化工具都会漠视运算符优先级，从头到尾采用同样的空格方式。

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The associativity of an operator defines the order in which operators of the same precedence are grouped (right-to-left or left-to-right).

操作符的结合性定义了相同优先级操作符组合的顺序(从右至左或从左至右)。

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