用例子讲解 RxJS 5 的 Operators 。
Brief history of the "square brackets" as I remember it.
One of the most challenging aspects of the language are the square brackets because they look like arrays, as you just mention.
As I remember the language was inspired in smalltalk, but using C to gain speed.
The idea behind smalltalk was to send message as we do with real life objects. For instance if I ask you your age I would say something like this in natural language: