| 1 | /* |
|---|---|
| 2 | use std::error::Error; |
| 3 | |
| 4 | pub(crate) fn find<'a, E: Error + 'static>(top: &'a (dyn Error + 'static)) -> Option<&'a E> { |
| 5 | let mut err = Some(top); |
| 6 | while let Some(src) = err { |
| 7 | if src.is::<E>() { |
| 8 | return src.downcast_ref(); |
| 9 | } |
| 10 | err = src.source(); |
| 11 | } |
| 12 | None |
| 13 | } |
| 14 | */ |
| 15 |