Note _* is required to pass sequence into a vararg method.
注意要传入序列给变参数方法时需要调用_*。
However, there is another way to pass information between sequence diagrams.
然而,有另一个方法在序列图之间传递消息。
Notice, however, that you must pass in a sequence — and not just a sequence of objects — or you'll get an error.
不过,请注意,传递的参数必须是序列——并且不只是对象序列——否则将会出现错误。
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