examples/hashmap/hashmap.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 main

import "github.com/emirpasic/gods/v2/maps/hashmap"

// HashMapExample to demonstrate basic usage of HashMap
func main() {
	m := hashmap.New[int, string]() // empty
	m.Put(1, "x")                   // 1->x
	m.Put(2, "b")                   // 2->b, 1->x  (random order)
	m.Put(1, "a")                   // 2->b, 1->a (random order)
	_, _ = m.Get(2)                 // b, true
	_, _ = m.Get(3)                 // nil, false
	_ = m.Values()                  // []interface {}{"b", "a"} (random order)
	_ = m.Keys()                    // []interface {}{1, 2} (random order)
	m.Remove(1)                     // 2->b
	m.Clear()                       // empty
	m.Empty()                       // true
	m.Size()                        // 0
}