blob: 19aaa679dfcf0c5e62704b4385cf51d44c409c59 (
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
|
//
// Sequence+Sage.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.
//
extension Sequence where Iterator.Element == Square {
/// Returns moves from `square` to the squares in `self`.
public func moves(from square: Square) -> [Move] {
return self.map({ square >>> $0 })
}
/// Returns moves from the squares in `self` to `square`.
public func moves(to square: Square) -> [Move] {
return self.map({ $0 >>> square })
}
}
|