mirror of https://github.com/apple/pkl-swift
46 lines
1.7 KiB
Swift
46 lines
1.7 KiB
Swift
// ===----------------------------------------------------------------------===//
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// Copyright © 2024 Apple Inc. and the Pkl project authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ===----------------------------------------------------------------------===//
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import Foundation
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/// Pair is the Swift representation of Pkl's `pkl.Pair`.
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public struct Pair<A, B>: Hashable where A: Hashable, B: Hashable {
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public init(_ first: A, _ second: B) {
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self.first = first
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self.second = second
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}
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/// The value of the first component of this ``Pair``.
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let first: A
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/// The value of the second component of this ``Pair``.
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let second: B
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}
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extension Pair: CustomStringConvertible where A: CustomStringConvertible, B: CustomStringConvertible {
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public var description: String {
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"Pair(\(self.first.description), \(self.second.description))"
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}
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}
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extension Pair: Decodable where A: Decodable, B: Decodable {
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public init(from decoder: Decoder) throws {
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var partsDecoder = try decoder.unkeyedContainer()
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self.first = try partsDecoder.decode(A.self)
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self.second = try partsDecoder.decode(B.self)
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}
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}
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