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use core::fmt;
use crate::error;
#[cfg_attr(__time_03_docs, doc(cfg(feature = "parsing")))]
#[non_exhaustive]
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum ParseFromDescription {
#[non_exhaustive]
InvalidLiteral,
InvalidComponent(&'static str),
}
impl fmt::Display for ParseFromDescription {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::InvalidLiteral => f.write_str("a character literal was not valid"),
Self::InvalidComponent(name) => {
write!(f, "the '{}' component could not be parsed", name)
}
}
}
}
#[cfg(feature = "std")]
impl std::error::Error for ParseFromDescription {}
#[cfg_attr(__time_03_docs, doc(cfg(feature = "parsing")))]
impl From<ParseFromDescription> for crate::Error {
fn from(original: ParseFromDescription) -> Self {
Self::ParseFromDescription(original)
}
}
#[cfg_attr(__time_03_docs, doc(cfg(feature = "parsing")))]
impl TryFrom<crate::Error> for ParseFromDescription {
type Error = error::DifferentVariant;
fn try_from(err: crate::Error) -> Result<Self, Self::Error> {
match err {
crate::Error::ParseFromDescription(err) => Ok(err),
_ => Err(error::DifferentVariant),
}
}
}