As with variables, include a type-declaration character after the function name, or the type indicated by &quot; As &quot; and the corresponding key word at the end of the parameter list to define the type of the function's return value, for example:
与变量一样，函数名称后必须含有类型声明字符或由“As”与相应关键字（位于参数列表末尾）指示的类型，以定义函数返回值的类型。例如：