From fdf31cf4c0e320eff6d3b6fa9abf07159e68fa0d Mon Sep 17 00:00:00 2001
From: Fenny <25108519+Fenny@users.noreply.github.com>
Date: Thu, 5 Nov 2020 09:47:33 +0100
Subject: [PATCH] =?UTF-8?q?=E2=9C=8F=20update=20signatures?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 memcache/README.md   | 2 ++
 memcache/memcache.go | 2 +-
 memory/README.md     | 7 +++++++
 mongodb/README.md    | 7 +++++++
 mysql/README.md      | 7 +++++++
 postgres/README.md   | 7 +++++++
 redis/README.md      | 7 +++++++
 sqlite3/README.md    | 7 +++++++
 8 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/memcache/README.md b/memcache/README.md
index f9ecbe7d..19abde96 100644
--- a/memcache/README.md
+++ b/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
diff --git a/memcache/memcache.go b/memcache/memcache.go
index cab3a5b0..526d1c85 100644
--- a/memcache/memcache.go
+++ b/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
 	}
diff --git a/memory/README.md b/memory/README.md
index f08af3ce..8494a92e 100644
--- a/memory/README.md
+++ b/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
diff --git a/mongodb/README.md b/mongodb/README.md
index d02ef744..948bd8a5 100644
--- a/mongodb/README.md
+++ b/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
diff --git a/mysql/README.md b/mysql/README.md
index 05d9bcb0..98c7d220 100644
--- a/mysql/README.md
+++ b/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
diff --git a/postgres/README.md b/postgres/README.md
index 1b4c26b7..aadfd489 100644
--- a/postgres/README.md
+++ b/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
diff --git a/redis/README.md b/redis/README.md
index d9841aff..536e27b1 100644
--- a/redis/README.md
+++ b/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
diff --git a/sqlite3/README.md b/sqlite3/README.md
index c6035fd7..1a47a85c 100644
--- a/sqlite3/README.md
+++ b/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