Function rustc_trait_selection::infer::error_reporting::nice_region_error::suggest_adding_lifetime_params

pub fn suggest_adding_lifetime_params(
    tcx: TyCtxt<'tcx>,
    sub: Region<'tcx>,
    ty_sup: &Ty<'_>,
    ty_sub: &Ty<'_>,
    err: &mut Diagnostic
) -> bool