Function source

crates/core/src/error/vtable.rs:94–102

(error: SharedPtr<'_, DynError>)

}

unsafe fn source<E>(error: SharedPtr<'_, DynError>) -> Option<&Error>
where
    E: ErrorExt,
{
    let error = error.cast::<ConcreteError<E>>();
    // Safety: implied by all vtable functions' safety contract.
    let error = unsafe { error.as_ref() };
    error.error.ext_source()
}

unsafe fn source_mut<E>(error: MutPtr<'_, DynError>) -> Option<&mut Error>
where