src/test/ui/kindck/kindck-impl-type-params.stderr

   1 error[E0277]: `T` cannot be sent between threads safely
   2   --> $DIR/kindck-impl-type-params.rs:16:13
   3    |
   4 LL |     let a = &t as &dyn Gettable<T>;
   5    |             ^^ `T` cannot be sent between threads safely
   6    |
   7 note: required because of the requirements on the impl of `Gettable<T>` for `S<T>`
   8   --> $DIR/kindck-impl-type-params.rs:12:32
   9    |
  10 LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
  11    |                                ^^^^^^^^^^^     ^^^^
  12    = note: required for the cast to the object type `dyn Gettable<T>`
  13 help: consider restricting type parameter `T`
  14    |
  15 LL | fn f<T: std::marker::Send>(val: T) {
  16    |       +++++++++++++++++++
  17
  18 error[E0277]: the trait bound `T: Copy` is not satisfied
  19   --> $DIR/kindck-impl-type-params.rs:16:13
  20    |
  21 LL |     let a = &t as &dyn Gettable<T>;
  22    |             ^^ the trait `Copy` is not implemented for `T`
  23    |
  24 note: required because of the requirements on the impl of `Gettable<T>` for `S<T>`
  25   --> $DIR/kindck-impl-type-params.rs:12:32
  26    |
  27 LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
  28    |                                ^^^^^^^^^^^     ^^^^
  29    = note: required for the cast to the object type `dyn Gettable<T>`
  30 help: consider restricting type parameter `T`
  31    |
  32 LL | fn f<T: std::marker::Copy>(val: T) {
  33    |       +++++++++++++++++++
  34
  35 error[E0277]: `T` cannot be sent between threads safely
  36   --> $DIR/kindck-impl-type-params.rs:23:31
  37    |
  38 LL |     let a: &dyn Gettable<T> = &t;
  39    |                               ^^ `T` cannot be sent between threads safely
  40    |
  41 note: required because of the requirements on the impl of `Gettable<T>` for `S<T>`
  42   --> $DIR/kindck-impl-type-params.rs:12:32
  43    |
  44 LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
  45    |                                ^^^^^^^^^^^     ^^^^
  46    = note: required for the cast to the object type `dyn Gettable<T>`
  47 help: consider restricting type parameter `T`
  48    |
  49 LL | fn g<T: std::marker::Send>(val: T) {
  50    |       +++++++++++++++++++
  51
  52 error[E0277]: the trait bound `T: Copy` is not satisfied
  53   --> $DIR/kindck-impl-type-params.rs:23:31
  54    |
  55 LL |     let a: &dyn Gettable<T> = &t;
  56    |                               ^^ the trait `Copy` is not implemented for `T`
  57    |
  58 note: required because of the requirements on the impl of `Gettable<T>` for `S<T>`
  59   --> $DIR/kindck-impl-type-params.rs:12:32
  60    |
  61 LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
  62    |                                ^^^^^^^^^^^     ^^^^
  63    = note: required for the cast to the object type `dyn Gettable<T>`
  64 help: consider restricting type parameter `T`
  65    |
  66 LL | fn g<T: std::marker::Copy>(val: T) {
  67    |       +++++++++++++++++++
  68
  69 error[E0277]: the trait bound `String: Copy` is not satisfied
  70   --> $DIR/kindck-impl-type-params.rs:35:13
  71    |
  72 LL |     let a = t as Box<dyn Gettable<String>>;
  73    |             ^ the trait `Copy` is not implemented for `String`
  74    |
  75    = help: the trait `Gettable<T>` is implemented for `S<T>`
  76 note: required because of the requirements on the impl of `Gettable<String>` for `S<String>`
  77   --> $DIR/kindck-impl-type-params.rs:12:32
  78    |
  79 LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
  80    |                                ^^^^^^^^^^^     ^^^^
  81    = note: required for the cast to the object type `dyn Gettable<String>`
  82
  83 error[E0277]: the trait bound `Foo: Copy` is not satisfied
  84   --> $DIR/kindck-impl-type-params.rs:43:37
  85    |
  86 LL |     let a: Box<dyn Gettable<Foo>> = t;
  87    |                                     ^ the trait `Copy` is not implemented for `Foo`
  88    |
  89    = help: the trait `Gettable<T>` is implemented for `S<T>`
  90 note: required because of the requirements on the impl of `Gettable<Foo>` for `S<Foo>`
  91   --> $DIR/kindck-impl-type-params.rs:12:32
  92    |
  93 LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {}
  94    |                                ^^^^^^^^^^^     ^^^^
  95    = note: required for the cast to the object type `dyn Gettable<Foo>`
  96 help: consider annotating `Foo` with `#[derive(Copy)]`
  97    |
  98 LL |     #[derive(Copy)]
  99    |
 100
 101 error: aborting due to 6 previous errors
 102
 103 For more information about this error, try `rustc --explain E0277`.