{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"CastError::NeedViaThinPtr"}]}
                        CastError::NeedViaThinPtr => "a thin pointer",
                        CastError::NeedViaPtr => "a raw pointer",
                        e => unreachable!("control flow means we should never encounter a {e:?}"),