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Error::task() now checks sources

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Josh Mitchell
2020-11-10 20:11:15 +11:00
parent 323ba0b88c
commit 7ee04620f6
1 changed files with 3 additions and 0 deletions
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3
src/errors.rs
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@@ -43,8 +43,11 @@ impl Error {
/// Get the task being attempted when the C API returned an error, if any /// Get the task being attempted when the C API returned an error, if any
pub fn task(&self) -> Option<ErrorTask> { pub fn task(&self) -> Option<ErrorTask> {
use std::error::Error as _;
if let Error::CApiError { task, .. } = self { if let Error::CApiError { task, .. } = self {
Some(*task) Some(*task)
} else if let Some(e) = self.source() {
e.downcast_ref::<Self>().and_then(Self::task)
} else { } else {
None None
} }