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HomeBackend DevelopmentGolangHow golang pipelines are used for inter-function communication

Pipeline in Go language is an unbuffered channel used to transmit data between Goroutines. It allows Goroutine to communicate asynchronously, improving program efficiency and scalability. Pipes can be used to write and read data, using the

How golang pipelines are used for inter-function communication

Pipelines in Go language: communication mechanism between functions

Pipelines are an unbuffered method for transmitting data between Goroutines (concurrent functions) aisle. It allows Goroutines to communicate in an asynchronous manner, improving program efficiency and scalability.

Pipeline creation

Pipelines can be created by make(chan type), where type is the type of data passed in the pipe. For example, create a pipe for transmitting integers:

ch := make(chan int)

Pipe writing

To write data to a pipe, use the operator, which Send the value to the pipe. For example, sending the number 10 to the pipe <code>ch:

ch <- 10

Pipe Reading

To read data from a pipe, use Operator which will receive the value from the pipe. For example, receive an integer from the pipe <code>ch and store it in the variable i:

i := <-ch

Practical case: square number calculation

The following is a practical case Case showing how to use pipelines to calculate square numbers between Goroutines:

package main

import (
    "fmt"
    "math"
)

func main() {
    // 创建一个管道来传输数字
    ch := make(chan int)

    // 定义一个 goroutine 来计算平方数
    go func() {
        for i := 1; ; i++ {
            // 将数字发送到管道
            ch <- i * i
        }
    }()

    // 从管道中获取平方数并打印
    for {
        // 从管道接收平方数
        num := <-ch

        // 打印平方数
        fmt.Println(num)

        // 检查是否为 100,如果是则退出
        if num >= 100*100 {
            break
        }
    }
}

In this example, one Goroutine continuously generates square numbers and sends them to the pipeline, and the other Goroutine continuously receives square numbers from the pipeline Count and print. It demonstrates the power of pipes in asynchronous computation and inter-function communication.

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