Introduction to Go language goroutines: The secret to lightweight concurrency

What is goroutine

Go's lightweight threads. Managed by Go runtime, not operating system threads. The initial stack is only 2KB.

Goroutine vs thread

Threads are OS managed and heavy. Goroutine is managed by Go runtime and is lightweight. Opening tens of thousands of goroutines is easy.

How to use

Add the 'go' keyword before the function to start goroutine. go doSomething()。