&ast::ItemFn(ref decl, _, _, ref generics, _) => {
let no_output = match decl.output {
ast::DefaultReturn(..) => true,
+ ast::Return(ref t) if t.node == ast::TyTup(vec![]) => true,
_ => false
};
if decl.inputs.is_empty()
let input_cnt = decl.inputs.len();
let no_output = match decl.output {
ast::DefaultReturn(..) => true,
+ ast::Return(ref t) if t.node == ast::TyTup(vec![]) => true,
_ => false
};
let tparm_cnt = generics.ty_params.len();