A definition of a unary operator where the argument is of the type of your class or structure.
一元运算符的定义,其中的参数是您的类或结构的类型。
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。
A unary operator is an operator that operates on a single operand.
「一元运算符」是一种对单个操作数进行运算的运算符。