1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2017-2021 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
internal extension IOResult where T: FixedWidthInteger {
var result: T {
switch self {
case .processed(let value):
return value
case .wouldBlock(_):
fatalError("cannot unwrap IOResult")
}
}
}
/// An result for an IO operation that was done on a non-blocking resource.
enum IOResult<T: Equatable>: Equatable {
/// Signals that the IO operation could not be completed as otherwise we would need to block.
case wouldBlock(T)
/// Signals that the IO operation was completed.
case processed(T)
}
|
