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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 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
//
//===----------------------------------------------------------------------===//
import Foundation
/// A wrapper around `Error` that conforms to `CustomLogStringConvertible`.
private struct MaskedError: CustomLogStringConvertible {
let underlyingError: any Error
init(_ underlyingError: any Error) {
self.underlyingError = underlyingError
}
var description: String {
return "\(underlyingError)"
}
var redactedDescription: String {
let error = underlyingError as NSError
return "\(error.code): \(error.description.hashForLogging)"
}
}
extension Error {
/// A version of the error that can be used for logging and will only log the
/// error code and a hash of the description in privacy-sensitive contexts.
public var forLogging: CustomLogStringConvertibleWrapper {
if let error = self as? CustomLogStringConvertible {
return error.forLogging
} else {
return MaskedError(self).forLogging
}
}
}
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