syntax_data: {"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"Err(layout::Uninhabited)"}]}
source_snippet:             Err(layout::Uninhabited) => return Answer::No(Reason::DstMayHaveSafetyInvariants),
context_before:             Ok(dst) => dst,
context_after:         };