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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2022-2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions {
public struct UnaryMinus<Wrapped: PredicateExpression> : PredicateExpression where Wrapped.Output: SignedNumeric {
public typealias Output = Wrapped.Output
public let wrapped: Wrapped
public init(_ wrapped: Wrapped) {
self.wrapped = wrapped
}
public func evaluate(_ bindings: PredicateBindings) throws -> Output {
try -wrapped.evaluate(bindings)
}
}
public static func build_UnaryMinus<T>(_ inner: T) -> UnaryMinus<T> {
UnaryMinus(inner)
}
}
@available(FoundationPredicate 0.3, *)
extension PredicateExpressions.UnaryMinus : CustomStringConvertible {
public var description: String {
"UnaryMinus(wrapped: \(wrapped))"
}
}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.UnaryMinus : StandardPredicateExpression where Wrapped : StandardPredicateExpression {}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.UnaryMinus : Codable where Wrapped : Codable {
public func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrapped)
}
public init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
wrapped = try container.decode(Wrapped.self)
}
}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.UnaryMinus : Sendable where Wrapped : Sendable {}
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