boltdb

path := getTmpPath()
defer os.Remove(path)

storage, err := New(path)

if err != nil {
	log.Fatal(err)
}

defer storage.Close()

storage.LoadOrStore("foo", "bar")
key, _ := storage.Resolve("bar")

fmt.Printf("Key for 'bar' is '%s'\n", key)

Output:

Key for 'bar' is 'foo'

path := getTmpPath()
defer os.Remove(path)

storage, _ := New(path) // We ignore the error this time. Naughty!
defer storage.Close()

storage.LoadOrStore("foo", "bar")

value, loaded := storage.LoadOrStore("foo", "42")
key, _ := storage.Resolve("bar")

fmt.Printf("Value of 'foo' is '%s'\n", value)
fmt.Printf("Value of 'foo' was loaded from storage: %t\n", loaded)
fmt.Printf("Key for 'bar' is '%s'\n", key)

_, ok := storage.Resolve("42")

fmt.Printf("Key for '42' could be resolved: %t", ok)

Output:

Value of 'foo' is 'bar'
Value of 'foo' was loaded from storage: true
Key for 'bar' is 'foo'
Key for '42' could be resolved: false