error[E0308]: mismatched types
  --> $DIR/copied-and-cloned.rs:7:26
   |
LL |     expect::<Option<()>>(x);
   |     -------------------- ^ expected `()`, found `&()`
   |     |
   |     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 `()`, found `&()`
   |     |
   |     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 struct `String`, found `&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 struct `String`, found `&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: aborting due to 4 previous errors

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