5 // Alexander Chebaturkin (chebaturkin@gmail.com)
7 // Copyright (C) 2011 Alexander Chebaturkin
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Collections.Generic;
32 namespace Mono.CodeContracts.Static.DataStructures {
33 interface IImmutableMap<K, V> {
34 V this [K key] { get; }
38 IEnumerable<K> Keys { get; }
40 IImmutableMap<K, V> EmptyMap { get; }
42 IImmutableMap<K, V> Add (K key, V value);
43 IImmutableMap<K, V> Remove (K key);
45 bool ContainsKey (K key);
46 void Visit (Func<K, V, VisitStatus> func);
48 bool TryGetValue (K key, out V value);
50 IImmutableMapFactory<K, V> Factory();
53 internal interface IImmutableMapFactory<K, V> {
54 IImmutableMap<K, V> Empty { get; }