Function rustc::util::ppaux::parameterized

pub fn parameterized<GG>(f: &mut Formatter, substs: &Substs, did: DefId, ns: Ns, projections: &[ProjectionPredicate], get_generics: GG) -> Result where GG: for<'a, 'gcx, 'tcx> FnOnce(TyCtxt<'a, 'gcx, 'tcx>) -> Generics<'tcx>

Unstable (rustc_private)