findOne.go

/*
Find if one string out of a list exists in an array of strings
*/
package main

import (
	"fmt"
	"strings"
	"time"
)

func main() {

	src := "I retired early because I realized that I would need about 20 years of full-time work to complete The Art of Computer Programming (TAOCP), which I have always viewed as the most important project of my life . "

	f, c := findIn(strings.Split(src, ` `))

	go f(`work`)
	go f(`lXife`)

FL:
	for {
		select {
		case b := <-c:
			if b {
				fmt.Println(`found`)
				break FL
			} else {
				fmt.Println(`didnt find`)
			}
			break
		case <-time.After(time.Second * 2):
			fmt.Println(`problem`)
			break
		}
	}
	println(`finished`)
}

func findIn(hay []string) (func(needle string), <-chan bool) {
	ret := make(chan bool)
	return func(needle string) {
		fmt.Println(needle)
		for _, val := range hay {
			if val == needle {
				ret <- true
				return
			}
		}
		ret <- false
	}, ret
}