icu_timezone 2.0.0-beta1

API for resolving and manipulating time zone information
Documentation 
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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124

// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).

use crate::{TimeZoneBcp47Id, UtcOffset, ZoneVariant};
use icu_calendar::{types::*, AnyCalendarKind, Date, Iso};

/// Converts Self to an `Option<T>`, either `Some(T)` if able or `None`
pub trait IntoOption<T> {
    /// Return `self` as an `Option<T>`
    fn into_option(self) -> Option<T>;
}

impl<T> IntoOption<T> for Option<T> {
    #[inline]
    fn into_option(self) -> Option<T> {
        self
    }
}

impl<T> IntoOption<T> for () {
    #[inline]
    fn into_option(self) -> Option<T> {
        None
    }
}

impl IntoOption<YearInfo> for YearInfo {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<MonthInfo> for MonthInfo {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<DayOfMonth> for DayOfMonth {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<IsoWeekday> for IsoWeekday {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<DayOfYearInfo> for DayOfYearInfo {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<AnyCalendarKind> for AnyCalendarKind {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<IsoHour> for IsoHour {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<IsoMinute> for IsoMinute {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<IsoSecond> for IsoSecond {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<NanoSecond> for NanoSecond {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<TimeZoneBcp47Id> for TimeZoneBcp47Id {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<UtcOffset> for UtcOffset {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<ZoneVariant> for ZoneVariant {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}

impl IntoOption<(Date<Iso>, Time)> for (Date<Iso>, Time) {
    #[inline]
    fn into_option(self) -> Option<Self> {
        Some(self)
    }
}