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use std::fmt; use std::fmt::{Display, Formatter, Debug}; use std::num::ParseFloatError; #[derive(Debug)] pub(crate) struct ParseErrorInternal; impl From<ParseFloatError> for ParseErrorInternal { fn from(_: ParseFloatError) -> Self { ParseErrorInternal } } impl Display for ParseErrorInternal { fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result { f.write_str("Parse error") } } pub struct GeoParseError<T: AsRef<str>>(pub T); impl<T: AsRef<str>> Display for GeoParseError<T> { fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result { write!(f, "Error parsing coordinates from {}", self.0.as_ref()) } } impl<T : AsRef<str>> Debug for GeoParseError<T> { fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result { f.debug_tuple("GeoParseError") .field(&self.0.as_ref()) .finish() } } impl<T : AsRef<str>> std::error::Error for GeoParseError<T> {}