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41 lines
1.5 KiB
Swift
41 lines
1.5 KiB
Swift
//
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// Copyright 2020 Vector Creations Ltd
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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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import Foundation
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typealias KeyValueStoreKey = String
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protocol KeyValueStore {
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// setters
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func set(_ value: Data?, forKey key: KeyValueStoreKey) throws
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func set(_ value: String?, forKey key: KeyValueStoreKey) throws
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func set(_ value: Bool?, forKey key: KeyValueStoreKey) throws
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func set(_ value: Int?, forKey key: KeyValueStoreKey) throws
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func set(_ value: UInt?, forKey key: KeyValueStoreKey) throws
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// getters
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func data(forKey key: KeyValueStoreKey) throws -> Data?
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func string(forKey key: KeyValueStoreKey) throws -> String?
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func bool(forKey key: KeyValueStoreKey) throws -> Bool?
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func integer(forKey key: KeyValueStoreKey) throws -> Int?
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func unsignedInteger(forKey key: KeyValueStoreKey) throws -> UInt?
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// checkers
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func containsObject(forKey key: KeyValueStoreKey) -> Bool
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// remove
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func removeObject(forKey key: KeyValueStoreKey) throws
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}
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