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more idiomatic

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This commit is contained in:
Harald Hoyer 2019-01-15 09:17:58 +01:00
parent 6ad9497512
commit a869a2e3ea
1 changed files with 3 additions and 15 deletions
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18
src/lib.rs
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@ -462,31 +462,19 @@ impl ChainErrorDown for dyn Error + 'static + Send + Sync {
impl<T: 'static + Display + Debug> Error for ChainError<T> {
fn source(&self) -> Option<&(dyn Error + 'static)> {
if let Some(ref e) = self.error_cause {
Some(e.as_ref())
} else {
None
}
self.error_cause.as_ref().map(|e| e.as_ref())
}
}
impl<T: 'static + Display + Debug> Error for &ChainError<T> {
fn source(&self) -> Option<&(dyn Error + 'static)> {
if let Some(ref e) = self.error_cause {
Some(e.as_ref())
} else {
None
}
self.error_cause.as_ref().map(|e| e.as_ref())
}
}
impl<T: 'static + Display + Debug> Error for &mut ChainError<T> {
fn source(&self) -> Option<&(dyn Error + 'static)> {
if let Some(ref e) = self.error_cause {
Some(e.as_ref())
} else {
None
}
self.error_cause.as_ref().map(|e| e.as_ref())
}
}