syntax_data: {"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"ExprKind::ZstLiteral"}]}
source_snippet:                 ExprKind::ZstLiteral { user_ty }
context_before:                 let user_ty = self.user_args_applied_to_res(expr.hir_id, res);
context_after:             }