hyper_util/
error.rs

1/*
2use std::error::Error;
3
4pub(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*/