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//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2024 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 Swift project authors
//
#if !SWT_NO_SNAPSHOT_TYPES
/// A serializable snapshot of an `Error` value.
///
/// This type conforms to `Error` as well, meaning it can be thrown and treated
/// as an error, however it is not considered equal to the underlying error it
/// is a snapshot of.
@_spi(ForToolsIntegrationOnly)
public struct ErrorSnapshot: Error {
/// A description of this instance's underlying error, formatted using
/// ``Swift/String/init(describingForTest:)``.
public var description: String
/// Information about the type of this instance's underlying error.
public var typeInfo: TypeInfo
/// Initialize an instance of this type by taking a snapshot of the specified
/// error.
///
/// - Parameters:
/// - error: The underlying error to snapshot.
public init(snapshotting error: any Error) {
description = String(describingForTest: error)
typeInfo = TypeInfo(describingTypeOf: error)
}
}
// MARK: - CustomStringConvertible
extension ErrorSnapshot: CustomStringConvertible {}
// MARK: - Codable
extension ErrorSnapshot: Codable {}
#endif
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