Merge branch 'generics'

readme.md

@@ -10,16 +10,16 @@ Art is described in detail in the [ART paper](https://db.in.tum.de/~leis/papers/
 ## Usage
 
 ```go
-a := new(art.Tree)
+a := new(art.Tree[string])
 k := []byte{1, 2, 4, 0, 1}
 k2 := []byte{1, 2, 4, 0, 2}
 a.Put(k, "bob")
 v, exists := a.Get(k)
 fmt.Printf("key %v exists %t with value %v\n", k, exists, v)
 a.Put(k2, "eve")
-a.Walk(func(k []byte, v interface{}) art.WalkState {
-  fmt.Printf("%v : %v\n", k, v)
-  return art.Continue
+a.Walk(func(k []byte, v string) art.WalkState {
+	fmt.Printf("%v : %v\n", k, v)
+	return art.Continue
 })
 a.PrettyPrint(os.Stdout)
 ```