syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"inputs_and_output:"}]}
source_snippet:             inputs_and_output: cx.mk_type_list_from_iter(inputs_and_output)?,
context_before:         Ok(ty::FnSig {
context_after:             c_variadic: a.c_variadic,