src/test/ui/const-generics/const-argument-if-length.min.stderr

   1 error: generic parameters may not be used in const operations
   2   --> $DIR/const-argument-if-length.rs:18:24
   3    |
   4 LL |     pad: [u8; is_zst::<T>()],
   5    |                        ^ cannot perform const operation using `T`
   6    |
   7    = note: type parameters may not be used in const expressions
   8    = help: use `#![feature(const_generics)]` and `#![feature(const_evaluatable_checked)]` to allow generic const expressions
   9
  10 error[E0277]: the size for values of type `T` cannot be known at compilation time
  11   --> $DIR/const-argument-if-length.rs:16:12
  12    |
  13 LL | pub struct AtLeastByte<T: ?Sized> {
  14    |                        - this type parameter needs to be `Sized`
  15 LL |     value: T,
  16    |            ^ doesn't have a size known at compile-time
  17    |
  18    = note: only the last field of a struct may have a dynamically sized type
  19    = help: change the field's type to have a statically known size
  20 help: borrowed types always have a statically known size
  21    |
  22 LL |     value: &T,
  23    |            ^
  24 help: the `Box` type always has a statically known size and allocates its contents in the heap
  25    |
  26 LL |     value: Box<T>,
  27    |            ^^^^ ^
  28
  29 error: aborting due to 2 previous errors
  30
  31 For more information about this error, try `rustc --explain E0277`.