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Add WriteError variant for custom errors #562

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Add WriteError variant for custom errors #562

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5ebf95d
Add WriteError variant for custom errors
facutuesca Jun 22, 2025
d7d4aa3
Use `&'static str` for WriteError messages
facutuesca Jun 22, 2025
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6 changes: 6 additions & 0 deletions src/writer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,12 +8,14 @@ use alloc::{fmt, vec};
#[derive(PartialEq, Eq, Debug)]
pub enum WriteError {
AllocationError,
CustomError(String),
}

impl fmt::Display for WriteError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
WriteError::AllocationError => write!(f, "allocation error"),
WriteError::CustomError(s) => write!(f, "{s}"),
}
}
}
Expand Down Expand Up @@ -788,5 +790,9 @@ mod tests {
fn test_write_error_display() {
use alloc::string::ToString;
assert_eq!(&WriteError::AllocationError.to_string(), "allocation error");
assert_eq!(
&WriteError::CustomError("my error".to_string()).to_string(),
"my error"
);
}
}