| // Copyright 2014 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package btree |
| |
| import ( |
| "fmt" |
| "io" |
| "strings" |
| ) |
| |
| func (t *BTree) print(w io.Writer) { |
| t.root.print(w, 0) |
| } |
| |
| func (n *node) print(w io.Writer, level int) { |
| indent := strings.Repeat(" ", level) |
| if n == nil { |
| fmt.Fprintf(w, "%s<nil>\n", indent) |
| return |
| } |
| fmt.Fprintf(w, "%s%v\n", indent, n.items) |
| for _, c := range n.children { |
| c.print(w, level+1) |
| } |
| } |
