ty: &'tcx Ty<'tcx>,
) -> Option<(&'tcx TraitRef<'tcx>, Vec<LifetimeName>)> {
if_chain! {
- if let TyKind::OpaqueDef(item_id, bounds) = ty.kind;
+ if let TyKind::OpaqueDef(item_id, bounds, false) = ty.kind;
let item = cx.tcx.hir().item(item_id);
if let ItemKind::OpaqueTy(opaque) = &item.kind;
if let Some(trait_ref) = opaque.bounds.iter().find_map(|bound| {
match output.kind {
TyKind::Tup(tys) if tys.is_empty() => {
let sugg = "remove the return type";
- Some((sugg, "".into()))
+ Some((sugg, String::new()))
},
_ => {
let sugg = "return the output of the future directly";