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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2020-2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Dispatch
import struct Foundation.TimeInterval
extension DispatchTimeInterval {
public func timeInterval() -> TimeInterval? {
switch self {
case .seconds(let value):
return Double(value)
case .milliseconds(let value):
return Double(value) / 1000
case .microseconds(let value):
return Double(value) / 1_000_000
case .nanoseconds(let value):
return Double(value) / 1_000_000_000
default:
return nil
}
}
public func nanoseconds() -> Int? {
switch self {
case .seconds(let value):
return value.multipliedReportingOverflow(by: 1_000_000_000).partialValue
case .milliseconds(let value):
return value.multipliedReportingOverflow(by: 1_000_000).partialValue
case .microseconds(let value):
return value.multipliedReportingOverflow(by: 1000).partialValue
case .nanoseconds(let value):
return value
default:
return nil
}
}
public func milliseconds() -> Int? {
switch self {
case .seconds(let value):
return value.multipliedReportingOverflow(by: 1000).partialValue
case .milliseconds(let value):
return value
case .microseconds(let value):
return Int(Double(value) / 1000)
case .nanoseconds(let value):
return Int(Double(value) / 1_000_000)
default:
return nil
}
}
public func seconds() -> Int? {
switch self {
case .seconds(let value):
return value
case .milliseconds(let value):
return Int(Double(value) / 1000)
case .microseconds(let value):
return Int(Double(value) / 1_000_000)
case .nanoseconds(let value):
return Int(Double(value) / 1_000_000_000)
default:
return nil
}
}
public var descriptionInSeconds: String {
switch self {
case .seconds(let value):
return "\(value)s"
case .milliseconds(let value):
return String(format: "%.2f", Double(value) / Double(1000)) + "s"
case .microseconds(let value):
return String(format: "%.2f", Double(value) / Double(1_000_000)) + "s"
case .nanoseconds(let value):
return String(format: "%.2f", Double(value) / Double(1_000_000_000)) + "s"
case .never:
return "n/a"
#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
@unknown default:
return "n/a"
#endif
}
}
}
// remove when available to all platforms
#if os(Linux) || os(Windows) || os(Android) || os(OpenBSD)
extension DispatchTime {
public func distance(to: DispatchTime) -> DispatchTimeInterval {
let final = to.uptimeNanoseconds
let point = self.uptimeNanoseconds
let duration = Int64(bitPattern: final.subtractingReportingOverflow(point).partialValue)
return .nanoseconds(duration >= Int.max ? Int.max : Int(duration))
}
}
#endif
|
