syntax_data: {"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"pub(crate)"}]}
source_snippet:     pub(crate) matches_no_values_ty: Ty<'tcx>,
context_before:     pub(crate) matches_no_values: Option<Span>,
context_after:     #[note(mir_build_unreachable_uninhabited_note)]