✏ return nil for notfound

redis/redis.go

@@ -2,7 +2,6 @@ package redis
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"time"
 
@@ -14,10 +13,6 @@ type Storage struct {
 	db *redis.Client
 }
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
-var ErrKeyNotExist = ErrNotFound
-
 // New creates a new redis storage
 func New(config ...Config) *Storage {
 	// Set default config
@@ -52,11 +47,11 @@ func New(config ...Config) *Storage {
 // Get value by key
 func (s *Storage) Get(key string) ([]byte, error) {
 	if len(key) <= 0 {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	val, err := s.db.Get(context.Background(), key).Bytes()
 	if err == redis.Nil {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	return val, err
 }