Golang における効率的なデータ処理方法の徹底的な探求

package main

import (
    "fmt"
    "strings"
)

func main() {
    text := "Go is a concurrent and efficient programming language Go Go"
    words := strings.Fields(text)
    wordCount := make(map[string]int)

    for _, word := range words {
        wordCount[word]++
    }

    for word, count := range wordCount {
        fmt.Printf("%s: %d
", word, count)
    }
}

package main

import (
    "fmt"
    "time"
)

func processTask(task string) {
    // 模拟任务处理过程
    time.Sleep(1 * time.Second)
    fmt.Println("Processed task:", task)
}

func main() {
    tasks := []string{"task1", "task2", "task3", "task4", "task5"}

    for _, task := range tasks {
        go processTask(task)
    }

    // 等待所有任务完成
    time.Sleep(2 * time.Second)
}

package main

import "fmt"

func produce(ch chan int) {
    for i := 1; i <= 5; i++ {
        ch <- i // 将数据发送到channel
    }
    close(ch) // 关闭channel
}

func consume(ch chan int) {
    for num := range ch {
        fmt.Println("Consumed:", num)
    }
}

func main() {
    ch := make(chan int)

    go produce(ch)
    go consume(ch)

    // 等待goroutine执行完成
    var input string
    fmt.Scanln(&input)
}