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//! Various error types returned by methods in the time crate.
mod component_range;
mod conversion_range;
mod different_variant;
#[cfg(feature = "formatting")]
mod format;
#[cfg(feature = "local-offset")]
mod indeterminate_offset;
#[cfg(all(any(feature = "formatting", feature = "parsing"), feature = "alloc"))]
mod invalid_format_description;
mod invalid_variant;
#[cfg(feature = "parsing")]
mod parse;
#[cfg(feature = "parsing")]
mod parse_from_description;
#[cfg(feature = "parsing")]
mod try_from_parsed;
use core::fmt;
pub use component_range::ComponentRange;
pub use conversion_range::ConversionRange;
pub use different_variant::DifferentVariant;
#[cfg(feature = "formatting")]
pub use format::Format;
#[cfg(feature = "local-offset")]
pub use indeterminate_offset::IndeterminateOffset;
#[cfg(all(any(feature = "formatting", feature = "parsing"), feature = "alloc"))]
pub use invalid_format_description::InvalidFormatDescription;
pub use invalid_variant::InvalidVariant;
#[cfg(feature = "parsing")]
pub use parse::Parse;
#[cfg(feature = "parsing")]
pub use parse_from_description::ParseFromDescription;
#[cfg(feature = "parsing")]
pub use try_from_parsed::TryFromParsed;
#[cfg(feature = "parsing")]
use crate::internal_macros::bug;
/// A unified error type for anything returned by a method in the time crate.
///
/// This can be used when you either don't know or don't care about the exact error returned.
/// `Result<_, time::Error>` (or its alias `time::Result<_>`) will work in these situations.
#[allow(missing_copy_implementations, variant_size_differences)]
#[non_exhaustive]
#[derive(Debug)]
pub enum Error {
#[allow(missing_docs)]
ConversionRange(ConversionRange),
#[allow(missing_docs)]
ComponentRange(ComponentRange),
#[cfg(feature = "local-offset")]
#[allow(missing_docs)]
IndeterminateOffset(IndeterminateOffset),
#[cfg(feature = "formatting")]
#[allow(missing_docs)]
Format(Format),
#[cfg(feature = "parsing")]
#[allow(missing_docs)]
ParseFromDescription(ParseFromDescription),
#[cfg(feature = "parsing")]
#[allow(missing_docs)]
#[non_exhaustive]
#[deprecated(
since = "0.3.28",
note = "no longer output. moved to the `ParseFromDescription` variant"
)]
UnexpectedTrailingCharacters,
#[cfg(feature = "parsing")]
#[allow(missing_docs)]
TryFromParsed(TryFromParsed),
#[cfg(all(any(feature = "formatting", feature = "parsing"), feature = "alloc"))]
#[allow(missing_docs)]
InvalidFormatDescription(InvalidFormatDescription),
#[allow(missing_docs)]
DifferentVariant(DifferentVariant),
#[allow(missing_docs)]
InvalidVariant(InvalidVariant),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::ConversionRange(e) => e.fmt(f),
Self::ComponentRange(e) => e.fmt(f),
#[cfg(feature = "local-offset")]
Self::IndeterminateOffset(e) => e.fmt(f),
#[cfg(feature = "formatting")]
Self::Format(e) => e.fmt(f),
#[cfg(feature = "parsing")]
Self::ParseFromDescription(e) => e.fmt(f),
#[cfg(feature = "parsing")]
#[allow(deprecated)]
Self::UnexpectedTrailingCharacters => bug!("variant should not be used"),
#[cfg(feature = "parsing")]
Self::TryFromParsed(e) => e.fmt(f),
#[cfg(all(any(feature = "formatting", feature = "parsing"), feature = "alloc"))]
Self::InvalidFormatDescription(e) => e.fmt(f),
Self::DifferentVariant(e) => e.fmt(f),
Self::InvalidVariant(e) => e.fmt(f),
}
}
}
#[cfg(feature = "std")]
impl std::error::Error for Error {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Self::ConversionRange(err) => Some(err),
Self::ComponentRange(err) => Some(err),
#[cfg(feature = "local-offset")]
Self::IndeterminateOffset(err) => Some(err),
#[cfg(feature = "formatting")]
Self::Format(err) => Some(err),
#[cfg(feature = "parsing")]
Self::ParseFromDescription(err) => Some(err),
#[cfg(feature = "parsing")]
#[allow(deprecated)]
Self::UnexpectedTrailingCharacters => bug!("variant should not be used"),
#[cfg(feature = "parsing")]
Self::TryFromParsed(err) => Some(err),
#[cfg(all(any(feature = "formatting", feature = "parsing"), feature = "alloc"))]
Self::InvalidFormatDescription(err) => Some(err),
Self::DifferentVariant(err) => Some(err),
Self::InvalidVariant(err) => Some(err),
}
}
}
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