Similarly, if a double comma is entered as user data, then the channel exit at that position in the list will get user data consisting of a blank String.
类似地,如果输入两个逗号作为用户数据,那么列表中该位置的通道出口将获取由空白字符串组成的用户数据。
Their meaning is determined implicitly by their position in the argument list, and so any mistake in their ordering silently changes their meaning.
它们的含义由它们在参数列表里的位置隐式确定,所以其排序中的任何错误都会悄悄改变其含义。
The most notable limitation is the inability to determine the position you're in within a list or array (or custom object).
最明显的显然是不能确定您在列表或数组(或者定制对象)中的位置。
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