error: unconstrained generic constant --> $DIR/abstract-const-as-cast-2.rs:7:25 | LL | struct Foo([u8; N as usize]) | ^^^^^^^^^^^^^^^^ | help: try adding a `where` bound | LL | Evaluatable<{N as u128}>:, [(); N as usize]:; | +++++++++++++++++++ error: unconstrained generic constant --> $DIR/abstract-const-as-cast-2.rs:13:26 | LL | struct Foo2(Evaluatable::<{N as u128}>) where Evaluatable<{N as usize as u128 }>:; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: try adding a `where` bound | LL | struct Foo2(Evaluatable::<{N as u128}>) where Evaluatable<{N as usize as u128 }>:, [(); {N as u128} as usize]:; | +++++++++++++++++++++++++++++ error: unconstrained generic constant --> $DIR/abstract-const-as-cast-2.rs:17:25 | LL | struct Bar([u8; (N + 2) as usize]) where [(); (N + 1) as usize]:; | ^^^^^^^^^^^^^^^^^^^^^^ | help: try adding a `where` bound | LL | struct Bar([u8; (N + 2) as usize]) where [(); (N + 1) as usize]:, [(); (N + 2) as usize]:; | +++++++++++++++++++++++++ error: aborting due to 3 previous errors