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How to understand the message passing of the implementation of cooperative communication in Go language, this article introduces the corresponding analysis and solution in detail, hoping to help more partners who want to solve this problem to find a simpler and easier way.

The implementation of cooperative communication through shared memory is too tedious and costly to maintain. Go language recommends message passing to achieve concurrent communication. This message communication mechanism is called channel, which is translated as "channel" in Chinese and can be understood as the channel for passing messages.

Channel is a cooperative communication mode provided by Go language at the language level. It is a data type and is concurrently secure. We can use it to transmit messages between multiple goroutine without worrying about data contamination in the channel.

Note: it should be noted that the channel is the mode of communication within the process, so the process of passing the object through the channel is consistent with the parameter passing behavior when calling the function, and you can also pass pointers. If you need cross-process communication, it is recommended to solve it through a distributed system, such as using communication protocols such as Socket or HTTP. Go language also has very perfect support for the network. The college will introduce network communication after introducing concurrent programming.

As we mentioned earlier, a channel is a data type, similar to an array type, in that a channel can only pass a value of one type, which needs to be specified when the channel is declared. When using a channel, you need to declare it through make, and the type keyword corresponding to the channel is chann:

Ch: = make (chan int)

Here we initialize a channel type ch, where only values of type int can be passed.

We can think of the channel as a first-in, first-out (FIFO) queue. The elements in the channel are arranged strictly according to the sending order, and then are received in the order. Both the channel elements can be sent and received through the

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