func ExampleTouch() {
cacher.Flush()
cacher.Set("key1", []byte("value1"), 1)
err := cacher.Touch("key1", 5)
fmt.Println(err)
// Output:
// <nil>
}
func ExampleFlush() {
cacher.Flush()
var errs map[string]error
keys := []string{"key1", "key2"}
multi := map[string][]byte{
"key1": []byte("value1"),
"key2": []byte("value2"),
}
cacher.SetMulti(multi, 0)
_, _, errs = cacher.GetMulti(keys)
fmt.Println(errs["key1"], errs["key2"])
cacher.Flush()
_, _, errs = cacher.GetMulti(keys)
fmt.Println(errs["key1"], errs["key2"])
// Output:
// <nil> <nil>
// Key `key1` does not exist. Key `key2` does not exist.
}
func ExampleSet() {
cacher.Flush()
ok1 := cacher.Set("key1", []byte("value1"), 0)
val1, _, _ := cacher.Get("key1")
fmt.Println(string(val1), ok1)
ok2 := cacher.Set("key1", []byte("value2"), 0)
val2, _, _ := cacher.Get("key1")
fmt.Println(string(val2), ok2)
// Output:
// value1 <nil>
// value2 <nil>
}
func ExampleAdd() {
cacher.Flush()
ok1 := cacher.Add("key1", []byte("value1"), 0)
val1, _, _ := cacher.Get("key1")
fmt.Println(string(val1), ok1)
ok2 := cacher.Add("key1", []byte("value2"), 0)
val2, _, _ := cacher.Get("key1")
fmt.Println(string(val2), ok2)
// Output:
// value1 <nil>
// value1 Key `key1` already exists.
}
func ExampleReplace() {
cacher.Flush()
var err error
err = cacher.Replace("key1", []byte("replacement"), 0)
fmt.Println(err)
cacher.Set("key1", []byte("value1"), 0)
err = cacher.Replace("key1", []byte("replacement"), 0)
fmt.Println(err)
// Output:
// Key `key1` does not exist.
// <nil>
}
func ExampleDelete() {
cacher.Flush()
var err error
cacher.Set("key1", []byte("value1"), 0)
err = cacher.Delete("key1")
fmt.Println(err)
err = cacher.Delete("non-existing")
fmt.Println(err)
// Output:
// <nil>
// Key `non-existing` was not found.
}
func ExampleGet() {
cacher.Flush()
var value []byte
var token string
var err error
value, token, err = cacher.Get("non-existing")
fmt.Println(string(value), token, err)
cacher.Set("key1", []byte("Hello world!"), 0)
value, token, err = cacher.Get("key1")
fmt.Println(string(value), token, err)
// Output:
// Key `non-existing` does not exist.
// Hello world! 86fb269d190d2c85f6e0468ceca42a20 <nil>
}
func ExampleSetMulti() {
cacher.Flush()
multi := map[string][]byte{
"key1": []byte("value1"),
"key2": []byte("value2"),
}
cacher.SetMulti(multi, 0)
val1, _, _ := cacher.Get("key1")
val2, _, _ := cacher.Get("key2")
fmt.Println(string(val1))
fmt.Println(string(val2))
// Output:
// value1
// value2
}
func ExampleDecrement() {
cacher.Flush()
cacher.Decrement("key1", 10, 1, 0)
cacher.Decrement("key1", 10, 3, 0)
v, _, _ := cacher.Get("key1")
num, _ := encoding.BytesInt64(v)
fmt.Println(num)
cacher.Set("key2", []byte("string value, not decrementable"), 0)
ok := cacher.Decrement("key2", 0, 5, 0)
v2, _, _ := cacher.Get("key2")
fmt.Println(ok, string(v2))
// Output:
// 7
// Value for key `key2` could not be encoded. string value, not decrementable
}
func ExampleCompareAndReplace() {
cacher.Flush()
cacher.Set("key1", []byte("hello world"), 0)
_, token, _ := cacher.Get("key1")
var err error
var val []byte
err = cacher.CompareAndReplace(token+"FALSE", "key1", []byte("replacement1"), 0)
val, _, _ = cacher.Get("key1")
fmt.Println(err, string(val))
err = cacher.CompareAndReplace(token, "key1", []byte("replacement2"), 0)
val, _, _ = cacher.Get("key1")
fmt.Println(err, string(val))
// Output:
// Key `key1` does not exist. hello world
// <nil> replacement2
}
func ExampleDeleteMulti() {
cacher.Flush()
keys := []string{"key1", "key2", "non-existing"}
multi := map[string][]byte{
"key1": []byte("value1"),
"key2": []byte("value2"),
}
cacher.SetMulti(multi, 0)
oks := cacher.DeleteMulti(keys)
fmt.Println(oks["key1"])
fmt.Println(oks["key2"])
fmt.Println(oks["non-existing"])
// Output:
// <nil>
// <nil>
// Key `non-existing` was not found.
}
func ExampleGetMulti() {
cacher.Flush()
multi := map[string][]byte{
"key1": []byte("value1"),
"key2": []byte("value2"),
}
cacher.SetMulti(multi, 0)
keys := []string{"key1", "key2"}
values, tokens, bools := cacher.GetMulti(keys)
fmt.Println(values["key1"], values["key2"])
fmt.Println(tokens["key1"], tokens["key2"])
fmt.Println(bools["key1"], bools["key2"])
// Output:
// [118 97 108 117 101 49] [118 97 108 117 101 50]
// 9946687e5fa0dab5993ededddb398d2e f066ce9385512ee02afc6e14d627e9f2
// <nil> <nil>
}