src/test/ui/dst/dst-sized-trait-param.stderr

   1 error[E0277]: the size for values of type `[isize]` cannot be known at compilation time
   2   --> $DIR/dst-sized-trait-param.rs:7:6
   3    |
   4 LL | impl Foo<[isize]> for usize { }
   5    |      ^^^^^^^^^^^^ doesn't have a size known at compile-time
   6    |
   7    = help: the trait `Sized` is not implemented for `[isize]`
   8 note: required by a bound in `Foo`
   9   --> $DIR/dst-sized-trait-param.rs:5:11
  10    |
  11 LL | trait Foo<T> : Sized { fn take(self, x: &T) { } } // Note: T is sized
  12    |           ^ required by this bound in `Foo`
  13 help: consider relaxing the implicit `Sized` restriction
  14    |
  15 LL | trait Foo<T: ?Sized> : Sized { fn take(self, x: &T) { } } // Note: T is sized
  16    |            ++++++++
  17
  18 error[E0277]: the size for values of type `[usize]` cannot be known at compilation time
  19   --> $DIR/dst-sized-trait-param.rs:10:6
  20    |
  21 LL | impl Foo<isize> for [usize] { }
  22    |      ^^^^^^^^^^ doesn't have a size known at compile-time
  23    |
  24    = help: the trait `Sized` is not implemented for `[usize]`
  25 note: required by a bound in `Foo`
  26   --> $DIR/dst-sized-trait-param.rs:5:16
  27    |
  28 LL | trait Foo<T> : Sized { fn take(self, x: &T) { } } // Note: T is sized
  29    |                ^^^^^ required by this bound in `Foo`
  30
  31 error: aborting due to 2 previous errors
  32
  33 For more information about this error, try `rustc --explain E0277`.