syntax_data: {"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if irrefutable { None } else { Some(TestCase::Variant { adt_def, variant_index }) }
context_before:                 }) && !adt_def.variant_list_has_applicable_non_exhaustive();
context_after:             }