syntax_data: {"ast_node_type":"variable","tokens":[{"end":60,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if let ty::Adt(adt_def, _) = lhs.ty.kind() {
context_before:                 let lhs = &self.thir[lhs];
context_after:                     if adt_def.variant(variant_index).fields[name].safety.is_unsafe() {