unary operator

A UML operation representing a binary operator is named similarly to unary operator , but the symbol is one of the binary operators .

表示双目运算符（binaryoperator）的UML操作的命名方式类似于单目运算符，但符号是双目运算符之一。

A unary operator is named by using the key word operator followed by the unary operator symbol .

单目操作符（unaryoperator）是通过在关键字operator后跟单目运算符符号来命名的。

The parameter of a unary operator must be the containing type

一元运算符的参数必须是包含类型

A unary operator such as Minus is left as an exercise .

像负号这样的一元运算符就留给读者练习。

In the final example , the value of the HOME variable is tested to see if it is a directory using the-d unary operator .

在最后一个示例中，测试HOME变量的值，用单目操作符-d检查它是不是目录。

Unary minus operator applied to unsigned type , result still unsigned

一元负运算符应用于无符号类型，结果仍为无符号类型

For example , the unary increment operator is named as operator + + .

举例来说，单目增量运算符命名为operator++。

Defining this unary " operator " in Scala is slightly tricky , but it 's purely a syntactic nit

在Scala中定义这种一元“操作符”需要一点技巧，但这只是语法上的问题而已

This unary / binary global operator can only have one or two parameters

此一元/二进制全局运算符只能具有一个或两个参数