syntax_data: {"ast_node_type":"other","tokens":[{"end":30,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if is_non_exhaustive {
context_before:             ty::Adt(def, _) if def.variant_list_has_applicable_non_exhaustive());
context_after:             diag.note(fluent::mir_build_non_exhaustive_type_note);