Shulou(Shulou.com)06/03 Report--

This article mainly explains "Go language basic concurrent channel". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "Go language basic concurrent channel".

Why do you need channel

Channel in Go, also known as pipes, is used to share data among multiple threads.

In general, channel is also used to share data in Go, but there are two ways to share data in Go.

Shared memory for communication.

Communicate via channel (recommended).

Why is shared memory communication not recommended?

Sample code: multithreading modifies a value.

Function

Func Calc () {defer wg.Done () NUM = NUM-1}

Main

Var NUM = 100var wg sync.WaitGroup func main () {for I: = 0; I

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.