multiJudge

multiJudge.go

package main

import (
	"fmt"
	"runtime"
)

func init() {
	runtime.GOMAXPROCS(runtime.NumCPU())
}

type JudgeFunc func(any) bool

func MultiJudge(value interface{}, judgeFuncs []JudgeFunc) bool {
	funcNum := len(judgeFuncs)
	resultChan := make(chan bool, funcNum)
	for _, judgeFunc := range judgeFuncs {
		go func(value any, judgeFunc JudgeFunc, resultChan chan bool) {
			resultChan <- judgeFunc(value)
		}(value, judgeFunc, resultChan)
	}
	count := 0
	for result := range resultChan {
		count++
		if result {
			return true
		}
		if count == funcNum {
			return false
		}
	}
	return false
}

func main() {
	result := MultiJudge(4, []JudgeFunc{
		func(a any) bool {
			fmt.Println("judge 1 called")
			return a.(int) == 1
		},
		func(a any) bool {
			fmt.Println("judge 2 called")
			return a.(int) == 2
		},
		func(a any) bool {
			fmt.Println("judge 3 called")
			return a.(int) == 3
		},
		func(a any) bool {
			fmt.Println("judge 4 called")
			return a.(int) == 4
		},
	})
	fmt.Println("multiJudge result", result)
}