3 struct Foo<'s> { //~ ERROR: parameter `'s` is never used
4 array: [(); size_of::<&Self>()],
5 //~^ ERROR: generic `Self` types are currently not permitted in anonymous constants
8 // The below is taken from https://github.com/rust-lang/rust/issues/66152#issuecomment-550275017
9 // as the root cause seems the same.
11 const fn foo<T>() -> usize {
15 struct Bar<'a> { //~ ERROR: parameter `'a` is never used
16 beta: [(); foo::<&'a ()>()], //~ ERROR: a non-static lifetime is not allowed in a `const`