/*!
Utilities for working with the `err` well-known property.
*/usestd::error::Error;/**
Convert an error implementing `AsRef<dyn Error + 'static>` into an [`Error`].
This method can be used to accept types like `anyhow::Error` when using the `err` property.
*/pubfnas_ref<'a>(err:&'a impl AsRef<dyn Error +'static>)->&'a(dyn Error + 'static){
err.as_ref()}