blob: 70f7b71a418c61cd4fd37ea99a49c8f9ae1857bc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
//
// Variant.swift
// Sage
//
// Copyright 2016-2017 Nikolai Vazquez
// Modified by SuperGeroy
//
// 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.
//
/// A chess variant that defines how a `Board` is populated or how a `Game` is played.
public enum Variant {
/// Standard chess.
case standard
/// Upside down chess where the piece colors swap starting squares.
case upsideDown
/// Standard regardless of Swift version.
internal static let _standard = Variant.standard
/// UpsideDown regardless of Swift version.
internal static let _upsideDown = Variant.upsideDown
/// `self` is standard variant.
public var isStandard: Bool {
return self == ._standard
}
/// `self` is upside down variant.
public var isUpsideDown: Bool {
return self == ._upsideDown
}
}
|
