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drop_tys_helper

rustc_ty_utils::needs_drop

Function drop_tys_helper 

Source 
fn drop_tys_helper<'tcx>(
    tcx: TyCtxt<'tcx>,
    ty: Ty<'tcx>,
    typing_env: TypingEnv<'tcx>,
    adt_has_dtor: impl Fn(AdtDef<'tcx>) -> Option<DtorType>,
    options: DropTysOptions,
) -> impl Iterator<Item = Result<Ty<'tcx>, AlwaysRequiresDrop>>