In Tokio we have a piece of code like this:

if inner.description() == MY_ERROR {
}

which checks if an std::io::Error is the one we created with a specific string using Error::new(ErrorKind::Other, MY_ERROR). However, this is broken on recent versions of the Rust language because description() now returns:

inner.description() = "description() is deprecated; use Display"

How can I update this comparison to avoid description() without allocating memory?

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