tests/ui/const-generics/adt_const_params/unsized_field-1.rs

//@ aux-build:unsized_const_param.rs
#![feature(adt_const_params)]

extern crate unsized_const_param;

use std::marker::ConstParamTy;

#[derive(ConstParamTy, Eq, PartialEq)]
struct A([u8]);
//~^ ERROR: the trait `ConstParamTy_` cannot be implemented for this type

#[derive(ConstParamTy, Eq, PartialEq)]
struct B(&'static [u8]);
//~^ ERROR: the trait `ConstParamTy_` cannot be implemented for this type

#[derive(ConstParamTy, Eq, PartialEq)]
struct C(unsized_const_param::Foo);

#[derive(std::marker::ConstParamTy, Eq, PartialEq)]
struct D(unsized_const_param::GenericNotUnsizedParam<&'static [u8]>);
//~^ ERROR: the trait `ConstParamTy_` cannot be implemented for this type

fn main() {}