{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"let"}]}
                    let res = p.path().and_then(|p| sema.resolve_path(&p));
                if let Some(ast::Expr::PathExpr(p)) = call.expr() {
                    if let Some(hir::PathResolution::Def(hir::ModuleDef::Variant(v))) = res {