✏ update signatures

memcache/README.md

@@ -11,6 +11,8 @@ A Memcache storage driver using [`bradfitz/gomemcache`](https://github.com/bradf
 ### Signatures
 ```go
 func New(config ...Config) Storage
+
+var ErrNotExist = errors.New("key does not exist")
 ```
 
 ### Examples

memcache/memcache.go

@@ -62,7 +62,7 @@ func New(config ...Config) *Storage {
 func (s *Storage) Get(key string) ([]byte, error) {
 	item, err := s.db.Get(key)
 	if err == mc.ErrCacheMiss {
-		return nil, nil
+		return nil, ErrNotExist
 	} else if err != nil {
 		return nil, err
 	}

memory/README.md

@@ -11,6 +11,13 @@ An in-memory storage driver.
 ### Signatures
 ```go
 func New(config ...Config) Storage
+
+var ErrNotExist = errors.New("key does not exist")
+
+func (s *Storage) Get(key string) ([]byte, error)
+func (s *Storage) Set(key string, val []byte, exp time.Duration) error
+func (s *Storage) Delete(key string) error
+func (s *Storage) Clear() error
 ```
 
 ### Examples

mongodb/README.md

@@ -11,6 +11,13 @@ A MongoDB storage driver using [mongodb/mongo-go-driver](https://github.com/mong
 ### Signatures
 ```go
 func New(config ...Config) Storage
+
+var ErrNotExist = errors.New("key does not exist")
+
+func (s *Storage) Get(key string) ([]byte, error)
+func (s *Storage) Set(key string, val []byte, exp time.Duration) error
+func (s *Storage) Delete(key string) error
+func (s *Storage) Clear() error
 ```
 
 ### Examples

mysql/README.md

@@ -11,6 +11,13 @@ A MySQL storage driver using `database/sql` and [go-sql-driver/mysql](https://gi
 ### Signatures
 ```go
 func New(config ...Config) Storage
+
+var ErrNotExist = errors.New("key does not exist")
+
+func (s *Storage) Get(key string) ([]byte, error)
+func (s *Storage) Set(key string, val []byte, exp time.Duration) error
+func (s *Storage) Delete(key string) error
+func (s *Storage) Clear() error
 ```
 
 ### Examples

postgres/README.md

@@ -11,6 +11,13 @@ A Postgres storage driver using [lib/pq](https://github.com/lib/pq).
 ### Signatures
 ```go
 func New(config ...Config) Storage
+
+var ErrNotExist = errors.New("key does not exist")
+
+func (s *Storage) Get(key string) ([]byte, error)
+func (s *Storage) Set(key string, val []byte, exp time.Duration) error
+func (s *Storage) Delete(key string) error
+func (s *Storage) Clear() error
 ```
 
 ### Examples

redis/README.md

@@ -11,6 +11,13 @@ A Redis storage driver using [go-redis/redis](github.com/go-redis/redis).
 ### Signatures
 ```go
 func New(config ...Config) Storage
+
+var ErrNotExist = errors.New("key does not exist")
+
+func (s *Storage) Get(key string) ([]byte, error)
+func (s *Storage) Set(key string, val []byte, exp time.Duration) error
+func (s *Storage) Delete(key string) error
+func (s *Storage) Clear() error
 ```
 
 ### Examples

sqlite3/README.md

@@ -11,6 +11,13 @@ A SQLite3 storage driver using [mattn/go-sqlite3](https://github.com/mattn/go-sq
 ### Signatures
 ```go
 func New(config ...Config) Storage
+
+var ErrNotExist = errors.New("key does not exist")
+
+func (s *Storage) Get(key string) ([]byte, error)
+func (s *Storage) Set(key string, val []byte, exp time.Duration) error
+func (s *Storage) Delete(key string) error
+func (s *Storage) Clear() error
 ```
 
 ### Examples