syntax_data: {"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                     if adt_def.is_enum() {
context_before:                 if let ty::Adt(adt_def, _) = lhs_expr.ty.kind() {
context_after:                         place_builder = place_builder.downcast(*adt_def, variant_index);