Function rustc_trait_selection::traits::fulfill::trait_ref_infer_vars

pub(in traits::fulfill) fn trait_ref_infer_vars<'a, 'tcx>(
    selcx: &mut SelectionContext<'a, 'tcx>, 
    trait_ref: PolyTraitRef<'tcx>
) -> Vec<TyOrConstInferVar<'tcx>>

Returns the set of inference variables contained in a trait ref.