time/error/
try_from_parsed.rs

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1//! Error converting a [`Parsed`](crate::parsing::Parsed) struct to another type
2
3use core::fmt;
4
5use crate::error;
6
7/// An error that occurred when converting a [`Parsed`](crate::parsing::Parsed) to another type.
8#[non_exhaustive]
9#[derive(Debug, Clone, Copy, PartialEq, Eq)]
10pub enum TryFromParsed {
11    /// The [`Parsed`](crate::parsing::Parsed) did not include enough information to construct the
12    /// type.
13    InsufficientInformation,
14    /// Some component contained an invalid value for the type.
15    ComponentRange(error::ComponentRange),
16}
17
18impl fmt::Display for TryFromParsed {
19    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
20        match self {
21            Self::InsufficientInformation => f.write_str(
22                "the `Parsed` struct did not include enough information to construct the type",
23            ),
24            Self::ComponentRange(err) => err.fmt(f),
25        }
26    }
27}
28
29impl From<error::ComponentRange> for TryFromParsed {
30    fn from(v: error::ComponentRange) -> Self {
31        Self::ComponentRange(v)
32    }
33}
34
35impl TryFrom<TryFromParsed> for error::ComponentRange {
36    type Error = error::DifferentVariant;
37
38    fn try_from(err: TryFromParsed) -> Result<Self, Self::Error> {
39        match err {
40            TryFromParsed::ComponentRange(err) => Ok(err),
41            _ => Err(error::DifferentVariant),
42        }
43    }
44}
45
46#[cfg(feature = "std")]
47impl std::error::Error for TryFromParsed {
48    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
49        match self {
50            Self::InsufficientInformation => None,
51            Self::ComponentRange(err) => Some(err),
52        }
53    }
54}
55
56impl From<TryFromParsed> for crate::Error {
57    fn from(original: TryFromParsed) -> Self {
58        Self::TryFromParsed(original)
59    }
60}
61
62impl TryFrom<crate::Error> for TryFromParsed {
63    type Error = error::DifferentVariant;
64
65    fn try_from(err: crate::Error) -> Result<Self, Self::Error> {
66        match err {
67            crate::Error::TryFromParsed(err) => Ok(err),
68            _ => Err(error::DifferentVariant),
69        }
70    }
71}
time/error/try_from_parsed.rs

time/error/
try_from_parsed.rs
