golang-var-scope.go

package main

import (
	"fmt"
  "time"
	"github.com/go-redis/redis"
)

var RedisClient *redis.Client

func init() {

	RedisHost = "host.ru:6379"
	RedisPass = ""
	RedisDb = 0
}

func main() {

	RedisClient = redis.NewClient(&redis.Options{
		Addr:     RedisHost,
		Password: RedisPass,
		DB:       RedisDb,
	})

	someCondition := true
	val := ""
	if someCondition{
		cacheKey := "0123456"
		val, _ := RedisClient.Get(cacheKey).Result()
		if val = "" {
			var = "foo"
		}
		RedisClient.Set(cacheKey, val, 5*time.Minute)
		
	}
	fmt.Println(someCondition)
}