1 error: generic parameters may not be used in const operations
2 --> $DIR/const-argument-if-length.rs:19:24
4 LL | pad: [u8; is_zst::<T>()],
5 | ^ cannot perform const operation using `T`
7 = note: type parameters may not be used in const expressions
9 error[E0277]: the size for values of type `T` cannot be known at compilation time
10 --> $DIR/const-argument-if-length.rs:17:12
12 LL | pub struct AtLeastByte<T: ?Sized> {
13 | - this type parameter needs to be `Sized`
15 | ^ doesn't have a size known at compile-time
17 = note: only the last field of a struct may have a dynamically sized type
18 = help: change the field's type to have a statically known size
19 help: borrowed types always have a statically known size
23 help: the `Box` type always has a statically known size and allocates its contents in the heap
28 error: aborting due to 2 previous errors
30 For more information about this error, try `rustc --explain E0277`.