gods/examples/treebidimap.go

// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package examples

import (
	"github.com/emirpasic/gods/maps/treebidimap"
	"github.com/emirpasic/gods/utils"
)

// TreeBidiMapExample to demonstrate basic usage of TreeBidiMap
func TreeBidiMapExample() {
	m := treebidimap.NewWith(utils.IntComparator, utils.StringComparator) // empty
	m.Put(1, "x")                                                         // 1->x
	m.Put(3, "b")                                                         // 1->x, 3->b (ordered)
	m.Put(1, "a")                                                         // 1->a, 3->b (ordered)
	m.Put(2, "b")                                                         // 1->a, 2->b (ordered)
	_, _ = m.GetKey("a")                                                  // 1, true
	_, _ = m.Get(2)                                                       // b, true
	_, _ = m.Get(3)                                                       // nil, false
	_ = m.Values()                                                        // []interface {}{"a", "b"} (ordered)
	_ = m.Keys()                                                          // []interface {}{1, 2} (ordered)
	m.Remove(1)                                                           // 2->b
	m.Clear()                                                             // empty
	m.Empty()                                                             // true
	m.Size()                                                              // 0
}