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use std::fmt::{self, Debug};
use std::error::Error;
#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
pub struct StringFromStrError;
impl Error for StringFromStrError {
fn description(&self) -> &str {
"&str does contain non us-ascii chars and can not be converted to a SoftAsciiString"
}
}
impl fmt::Display for StringFromStrError {
fn fmt(&self, fter: &mut fmt::Formatter) -> fmt::Result {
write!(fter, "{}", self.description())
}
}
#[derive(Debug, PartialEq, Eq, Clone, Hash)]
pub struct FromSourceError<S: Debug> {
source: S
}
impl<S> FromSourceError<S>
where S: Debug
{
pub fn new(source: S) -> Self {
FromSourceError { source }
}
pub fn source(&self) -> &S {
&self.source
}
pub fn into_source(self) -> S {
self.source
}
}
impl<S> Error for FromSourceError<S>
where S: Debug
{
fn description(&self) -> &str {
concat!("could not create a SoftAscii representation of the source",
"as the source contained non us-ascii chars")
}
}
impl<S> fmt::Display for FromSourceError<S>
where S: Debug
{
fn fmt(&self, fter: &mut fmt::Formatter) -> fmt::Result {
write!(fter, "source contains non us-ascii chars: {:?}", self.source)
}
}