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Provide an impl error::Error for FromPlantumlError #1

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Provide an impl error::Error for FromPlantumlError #1

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10 changes: 9 additions & 1 deletion src/errors.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
use std::{convert, io, string};
use std::{convert, error, fmt, io, string};

/// If error appear, the crate always faults to error type `FromPlantumlError`.
/// All other error types converted to this one.
Expand Down Expand Up @@ -26,3 +26,11 @@ impl convert::From<hex::FromHexError> for FromPlantumlError {
FromPlantumlError(format!("there is a problem during hex decoding: `{}`", err))
}
}

impl error::Error for FromPlantumlError {}

impl fmt::Display for FromPlantumlError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.0)
}
}