From 1812c93f254db69dd995d1113a033087c16e7559 Mon Sep 17 00:00:00 2001
From: Marcel Edmund Franke <marcel.edmund.franke@gmail.com>
Date: Sat, 30 Sep 2017 18:09:04 +0200
Subject: [PATCH 1/3] - Added: Example test for retry

---
 retry/doc_test.go | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 retry/doc_test.go

diff --git a/retry/doc_test.go b/retry/doc_test.go
new file mode 100644
index 0000000..6ae3cd2
--- /dev/null
+++ b/retry/doc_test.go
@@ -0,0 +1,21 @@
+package retry_test
+
+import (
+	"context"
+	"fmt"
+	"github.com/donutloop/toolkit/retry"
+)
+
+func ExampleRetrier() {
+	r := retry.NewRetrier()
+	err := r.Retry(context.Background(), func() (bool, error) {
+		fmt.Println("fire request")
+		return true, nil
+	})
+
+	if err != nil {
+		fmt.Println(fmt.Sprintf("error: (%v)", err))
+	}
+
+	// Output: fire request
+}

From ef05d25cb12d48b7379b4edd11e3316b5f37ac1e Mon Sep 17 00:00:00 2001
From: Marcel Edmund Franke <marcel.edmund.franke@gmail.com>
Date: Sat, 30 Sep 2017 18:13:45 +0200
Subject: [PATCH 2/3] - Added: Example test for schedule

---
 schedule/doc_test.go | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 schedule/doc_test.go

diff --git a/schedule/doc_test.go b/schedule/doc_test.go
new file mode 100644
index 0000000..04e5c9b
--- /dev/null
+++ b/schedule/doc_test.go
@@ -0,0 +1,25 @@
+package schedule_test
+
+import (
+	"github.com/donutloop/toolkit/schedule"
+	"context"
+	"fmt"
+)
+
+func ExampleFIFOScheduler() {
+
+	s := schedule.NewFIFOScheduler()
+	defer s.Stop()
+
+	job := func(ctx context.Context) {
+		fmt.Println("create db entry")
+	}
+
+	if err := s.Schedule(job); err != nil {
+		fmt.Println(fmt.Sprintf("error: (%v)", err))
+	}
+
+	s.WaitFinish(1)
+
+	// Output: create db entry
+}

From e48a76c6faae5725f34e7b171d4c164ade23e01c Mon Sep 17 00:00:00 2001
From: Marcel Edmund Franke <marcel.edmund.franke@gmail.com>
Date: Sat, 30 Sep 2017 18:20:14 +0200
Subject: [PATCH 3/3] - Added: example test for singleton

---
 schedule/doc_test.go  |  2 +-
 singleton/README.md   |  4 ++--
 singleton/doc_test.go | 36 ++++++++++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+), 3 deletions(-)
 create mode 100644 singleton/doc_test.go

diff --git a/schedule/doc_test.go b/schedule/doc_test.go
index 04e5c9b..4ca72ff 100644
--- a/schedule/doc_test.go
+++ b/schedule/doc_test.go
@@ -1,9 +1,9 @@
 package schedule_test
 
 import (
-	"github.com/donutloop/toolkit/schedule"
 	"context"
 	"fmt"
+	"github.com/donutloop/toolkit/schedule"
 )
 
 func ExampleFIFOScheduler() {
diff --git a/singleton/README.md b/singleton/README.md
index b42b3c1..55840aa 100644
--- a/singleton/README.md
+++ b/singleton/README.md
@@ -16,8 +16,8 @@ type config struct {
 	Port int
 }
 
-var configSingleton = NewSingleton(func() (interface{}, error) {
-	return &config{Addr:"localhost", Port:80,}, nil
+var configSingleton singleton.NewSingleton = singleton.NewSingleton(func() (interface{}, error) {
+	return &config{Addr:"localhost", Port:80}, nil
 })
 
 func Config() (*config, error) {
diff --git a/singleton/doc_test.go b/singleton/doc_test.go
new file mode 100644
index 0000000..30b92c2
--- /dev/null
+++ b/singleton/doc_test.go
@@ -0,0 +1,36 @@
+package singleton_test
+
+import (
+	"fmt"
+	"github.com/donutloop/toolkit/singleton"
+)
+
+func ExampleSingleton() {
+
+	type config struct {
+		Addr string
+		Port int
+	}
+
+	configSingleton := singleton.NewSingleton(func() (interface{}, error) {
+		return &config{Addr: "localhost", Port: 80}, nil
+	})
+
+	configFunc := func() (*config, error) {
+		s, err := configSingleton.Get()
+		if err != nil {
+			return nil, err
+		}
+		return s.(*config), nil
+	}
+
+	configFunc()
+
+	c, err := configFunc()
+	if err != nil {
+		fmt.Println(fmt.Sprintf("error: (%v)", err))
+	}
+
+	fmt.Println(fmt.Sprintf("%#v", c))
+	// Output: &singleton_test.config{Addr:"localhost", Port:80}
+}