package main import sync strings fmt const strToSearch golang const co

package main

import (
	"sync"
	"strings"
	"fmt"
)

const strToSearch = `golang`
const countStreamMax = 5

var countFound int

func main() {
	// Подготовка данных
	urls := []string{
		"qweqw",
		"qwegolangqwe",
		"adsda",
		"cvdxbfghrgolang",
		"vdrvdbvrt",
		"ververwbve",
		"vsvdfsvd",
		"vsvdfvdvdfsvd",
		"vsvdvdfvdffsvd",
		"vsvdfsvdfvdvd",
	}
	for i := 0; i < 100; i++ {
		urls = append(urls, urls[0:10]...)
	}

	c := make(chan string, 5)
	var wg sync.WaitGroup
	for i := 0; i < countStreamMax; i++ {
		wg.Add(1)
		go func() {
			defer wg.Done()
			readChan(c)
		}()
	}

	for i := range urls {
		c <- urls[i]
	}
	close(c)

	wg.Wait()
	fmt.Printf("Кол-во вхождений: %d", countFound)
}

func readChan(c <-chan string) {
	for {
		select {
		case url, ok := <-c:
			if ok {
				if strings.Contains(url, strToSearch) {
					countFound++
				}
			} else {
				return
			}
		}
	}
}