syntax_data: {"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let res = self.typeck_results.qpath_res(qpath, expr.hir_id);
context_before:             hir::ExprKind::Path(ref qpath) => {
context_after:                 self.convert_path_expr(expr, res)