37 lines
1.1 KiB
Swift
37 lines
1.1 KiB
Swift
// Copyright 2020 Tokamak contributors
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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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// http://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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// Created by Carson Katri on 7/10/21.
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//
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public struct _ViewTraitStore {
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public var values = [ObjectIdentifier: Any]()
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public init(values: [ObjectIdentifier: Any] = [:]) {
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self.values = values
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}
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public func value<Key>(forKey key: Key.Type = Key.self) -> Key.Value
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where Key: _ViewTraitKey
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{
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values[ObjectIdentifier(key)] as? Key.Value ?? Key.defaultValue
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}
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public mutating func insert<Key>(_ value: Key.Value, forKey key: Key.Type = Key.self)
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where Key: _ViewTraitKey
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{
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values[ObjectIdentifier(key)] = value
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}
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}
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