{"ast_node_type":"variable","tokens":[{"end":54,"kind":"keyword","start":0,"text":"let"}]}
                let fn_val = self.get_ptr_fn(fn_ptr)?;
                let fn_ptr = self.read_pointer(&func)?;
                (fn_val, self.fn_abi_of_fn_ptr(fn_sig_binder, extra_args)?, false)