/// HACK(min_const_generics): self types also have an optional requirement to **not** mention
/// any generic parameters to allow the following with `min_const_generics`:
/// ```
/// HACK(min_const_generics): self types also have an optional requirement to **not** mention
/// any generic parameters to allow the following with `min_const_generics`:
/// ```
/// impl Foo { fn test() -> [u8; std::mem::size_of::<Self>()] { todo!() } }
///
/// struct Bar([u8; baz::<Self>()]);
/// impl Foo { fn test() -> [u8; std::mem::size_of::<Self>()] { todo!() } }
///
/// struct Bar([u8; baz::<Self>()]);