error[E0308]: mismatched types
  --> $DIR/copied-and-cloned.rs:7:26
   |
LL |     expect::<Option<()>>(x);
   |     -------------------- ^ expected `Option<()>`, found `Option<&()>`
   |     |
   |     arguments to this function are incorrect
   |
   = note: expected enum `Option<()>`
              found enum `Option<&()>`
note: function defined here
  --> $DIR/copied-and-cloned.rs:3:4
   |
LL | fn expect<T>(_: T) {}
   |    ^^^^^^    ----
help: use `Option::copied` to copy the value inside the `Option`
   |
LL |     expect::<Option<()>>(x.copied());
   |                           +++++++++

error[E0308]: mismatched types
  --> $DIR/copied-and-cloned.rs:11:30
   |
LL |     expect::<Result<(), ()>>(x);
   |     ------------------------ ^ expected `Result<(), ()>`, found `Result<&(), _>`
   |     |
   |     arguments to this function are incorrect
   |
   = note: expected enum `Result<(), ()>`
              found enum `Result<&(), _>`
note: function defined here
  --> $DIR/copied-and-cloned.rs:3:4
   |
LL | fn expect<T>(_: T) {}
   |    ^^^^^^    ----
help: use `Result::copied` to copy the value inside the `Result`
   |
LL |     expect::<Result<(), ()>>(x.copied());
   |                               +++++++++

error[E0308]: mismatched types
  --> $DIR/copied-and-cloned.rs:16:30
   |
LL |     expect::<Option<String>>(x);
   |     ------------------------ ^ expected `Option<String>`, found `Option<&String>`
   |     |
   |     arguments to this function are incorrect
   |
   = note: expected enum `Option<String>`
              found enum `Option<&String>`
note: function defined here
  --> $DIR/copied-and-cloned.rs:3:4
   |
LL | fn expect<T>(_: T) {}
   |    ^^^^^^    ----
help: use `Option::cloned` to clone the value inside the `Option`
   |
LL |     expect::<Option<String>>(x.cloned());
   |                               +++++++++

error[E0308]: mismatched types
  --> $DIR/copied-and-cloned.rs:20:34
   |
LL |     expect::<Result<String, ()>>(x);
   |     ---------------------------- ^ expected `Result<String, ()>`, found `Result<&String, _>`
   |     |
   |     arguments to this function are incorrect
   |
   = note: expected enum `Result<String, ()>`
              found enum `Result<&String, _>`
note: function defined here
  --> $DIR/copied-and-cloned.rs:3:4
   |
LL | fn expect<T>(_: T) {}
   |    ^^^^^^    ----
help: use `Result::cloned` to clone the value inside the `Result`
   |
LL |     expect::<Result<String, ()>>(x.cloned());
   |                                   +++++++++

error[E0308]: mismatched types
  --> $DIR/copied-and-cloned.rs:27:25
   |
LL |     println!("{}", x == y);
   |                         ^ expected `Option<String>`, found `Option<&String>`
   |
   = note: expected enum `Option<String>`
              found enum `Option<&String>`
help: use `Option::as_ref()` to convert `Option<String>` to `Option<&String>`
   |
LL |     println!("{}", x.as_ref() == y);
   |                     +++++++++

error: aborting due to 5 previous errors

For more information about this error, try `rustc --explain E0308`.