}
if annotation {
let suggest_annotation = match expr.peel_drop_temps().kind {
- hir::ExprKind::AddrOf(hir::BorrowKind::Ref, hir::Mutability::Not, _) => "&",
- hir::ExprKind::AddrOf(hir::BorrowKind::Ref, hir::Mutability::Mut, _) => "&mut ",
+ hir::ExprKind::AddrOf(hir::BorrowKind::Ref, mutbl, _) => mutbl.ref_prefix_str(),
_ => return true,
};
let mut tuple_indexes = Vec::new();
let ty = match self.tcx.asyncness(fn_id.owner) {
hir::IsAsync::Async => {
let infcx = self.tcx.infer_ctxt().build();
- infcx
- .get_impl_future_output_ty(ty)
- .unwrap_or_else(|| {
- span_bug!(
- fn_decl.output.span(),
- "failed to get output type of async function"
- )
- })
- .skip_binder()
+ infcx.get_impl_future_output_ty(ty).unwrap_or_else(|| {
+ span_bug!(
+ fn_decl.output.span(),
+ "failed to get output type of async function"
+ )
+ })
}
hir::IsAsync::NotAsync => ty,
};