New upstream version 1.41.1+dfsg1

[rustc.git] / src / test / ui / traits / trait-suggest-where-clause.stderr

error[E0277]: the size for values of type `U` cannot be known at compilation time
  --> $DIR/trait-suggest-where-clause.rs:8:20
   |
LL | fn check<T: Iterator, U: ?Sized>() {
   |                       -- help: consider further restricting this bound: `U: std::marker::Sized +`
LL |     // suggest a where-clause, if needed
LL |     mem::size_of::<U>();
   |                    ^ doesn't have a size known at compile-time
   | 
  ::: $SRC_DIR/libcore/mem/mod.rs:LL:COL
   |
LL | pub const fn size_of<T>() -> usize {
   |                      - required by this bound in `std::mem::size_of`
   |
   = help: the trait `std::marker::Sized` is not implemented for `U`
   = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>

error[E0277]: the size for values of type `U` cannot be known at compilation time
  --> $DIR/trait-suggest-where-clause.rs:11:5
   |
LL | fn check<T: Iterator, U: ?Sized>() {
   |                       -- help: consider further restricting this bound: `U: std::marker::Sized +`
...
LL |     mem::size_of::<Misc<U>>();
   |     ^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   | 
  ::: $SRC_DIR/libcore/mem/mod.rs:LL:COL
   |
LL | pub const fn size_of<T>() -> usize {
   |                      - required by this bound in `std::mem::size_of`
   |
   = help: within `Misc<U>`, the trait `std::marker::Sized` is not implemented for `U`
   = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
   = note: required because it appears within the type `Misc<U>`

error[E0277]: the trait bound `u64: std::convert::From<T>` is not satisfied
  --> $DIR/trait-suggest-where-clause.rs:16:5
   |
LL |     <u64 as From<T>>::from;
   |     ^^^^^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<T>` is not implemented for `u64`
   |
   = note: required by `std::convert::From::from`

error[E0277]: the trait bound `u64: std::convert::From<<T as std::iter::Iterator>::Item>` is not satisfied
  --> $DIR/trait-suggest-where-clause.rs:19:5
   |
LL |     <u64 as From<<T as Iterator>::Item>>::from;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<<T as std::iter::Iterator>::Item>` is not implemented for `u64`
   |
   = note: required by `std::convert::From::from`

error[E0277]: the trait bound `Misc<_>: std::convert::From<T>` is not satisfied
  --> $DIR/trait-suggest-where-clause.rs:24:5
   |
LL |     <Misc<_> as From<T>>::from;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<T>` is not implemented for `Misc<_>`
   |
   = note: required by `std::convert::From::from`

error[E0277]: the size for values of type `[T]` cannot be known at compilation time
  --> $DIR/trait-suggest-where-clause.rs:29:20
   |
LL |     mem::size_of::<[T]>();
   |                    ^^^ doesn't have a size known at compile-time
   | 
  ::: $SRC_DIR/libcore/mem/mod.rs:LL:COL
   |
LL | pub const fn size_of<T>() -> usize {
   |                      - required by this bound in `std::mem::size_of`
   |
   = help: the trait `std::marker::Sized` is not implemented for `[T]`
   = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>

error[E0277]: the size for values of type `[&U]` cannot be known at compilation time
  --> $DIR/trait-suggest-where-clause.rs:32:5
   |
LL |     mem::size_of::<[&U]>();
   |     ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   | 
  ::: $SRC_DIR/libcore/mem/mod.rs:LL:COL
   |
LL | pub const fn size_of<T>() -> usize {
   |                      - required by this bound in `std::mem::size_of`
   |
   = help: the trait `std::marker::Sized` is not implemented for `[&U]`
   = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>

error: aborting due to 7 previous errors

For more information about this error, try `rustc --explain E0277`.