一元运算符的定义，其中的参数是您的类或结构的类型。
A definition of a unary operator where the argument is of the type of your class or structure.
一元运算符对单个操作数执行操作，如返回数值表达式的负值或正值。
Unary operators perform an operation on a single operand, such as returning the negative or positive value of a numeric expression.
幂运算符比在操作数左边的一元运算符有更高的优先级；但比右面的一元运算符要低。句法为。
The power operator binds more tightly than unary operators on its left; it binds less tightly than unary operators on its right. The syntax is.
因此，在一串没有括号的由幂运算符和一元运算符组成的序列，会从左到右面求值（没有强制改变求值顺序）。
Thus, in an unparenthesized sequence of power and unary operators, the operators are evaluated from right to left (this does not constrain the evaluation order for the operands).
注意数值型的字面值不包括符号(译注：正负号)，像-1实际上是个组合了一元运算符“-”和字面值1的表达式。
Note that numeric literals do not include a sign; a phrase like -1 is actually an expression composed of the unary operator '-' and the literal 1.
注意数值型的字面值不包括符号(译注：正负号)，像-1实际上是个组合了一元运算符“-”和字面值1的表达式。
Note that numeric literals do not include a sign; a phrase like -1 is actually an expression composed of the operator - and the literal 1.
一元减号(-)和一元加号(+)与二元加号和减号都是相同的运算符。
The unary minus (-) and unary plus (+) are the same operators as binary minus and plus.
在语法2中，-运算符用作一元求反运算符，指示表达式的负值。
In Syntax 2, the - operator is used as the unary negation operator to indicate the negative value of an expression.
在语法2中，-运算符用作一元求反运算符，指示表达式的负值。
In Syntax 2, the - operator is used as the unary negation operator to indicate the negative value of an expression.
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