As you are typing a message, a number of new ICONS appear at the top of the column.
在你输入一个消息时,在该竖栏的上方会出现许多新图标。
There is naturally a relationship between the granularity of the data-typing and the break-down of the message into parts.
数据分类的粒度与是否消息分为多个部分之间有一定的关系。
Ruby USES what is affectionately referred to as "duck typing" - if it accepts a "quack" message, it must be a duck.
Ruby使用所谓的“duck typing”——也就是说,如果它接受“鸭叫”消息,那么它一定是鸭子。
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