Trait GenericsSubstDelegate 
Source pub trait GenericsSubstDelegate {
    type Error = !;
    // Required methods
    fn sort_for_param(&mut self, param_ty: ParamTy) -> Result<Sort, Self::Error>;
    fn ty_for_param(&mut self, param_ty: ParamTy) -> Result<Ty, Self::Error>;
    fn ctor_for_param(
        &mut self,
        param_ty: ParamTy,
    ) -> Result<SubsetTyCtor, Self::Error>;
    fn region_for_param(&mut self, ebr: EarlyParamRegion) -> Region;
    fn expr_for_param_const(&self, param_const: ParamConst) -> Expr;
    fn const_for_param(&mut self, param: &Const) -> Const;
}