error[E0308]: mismatched types
  --> tests/ui/bad-item-type.rs:15:11
   |
7  | #[stream(item = Option<i32>)]
   | ----------------------------- arguments to this enum variant are incorrect
...
15 |     yield val; //~ ERROR mismatched types
   |           ^^^ expected `Option<_>`, found integer
   |
   = note: expected enum `Option<_>`
              found type `{integer}`
help: the type constructed contains `{integer}` due to the type of the argument passed
  --> tests/ui/bad-item-type.rs:7:1
   |
7  | #[stream(item = Option<i32>)]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
15 |     yield val; //~ ERROR mismatched types
   |           --- this argument influences the type of `{{root}}`
note: tuple variant defined here
  --> $RUST/core/src/task/poll.rs
   |
   |     Ready(#[stable(feature = "futures_api", since = "1.36.0")] T),
   |     ^^^^^
   = note: this error originates in the attribute macro `stream` (in Nightly builds, run with -Z macro-backtrace for more info)
help: try wrapping the expression in `Some`
   |
15 |     yield Some(val); //~ ERROR mismatched types
   |           +++++   +

error[E0308]: mismatched types
  --> tests/ui/bad-item-type.rs:34:11
   |
29 | #[stream(item = (i32, i32))]
   | ---------------------------- arguments to this enum variant are incorrect
...
34 |     yield (1, 2) //~ ERROR mismatched types
   |           ^^^^^^ expected integer, found `({integer}, {integer})`
   |
   = note: expected type `{integer}`
             found tuple `({integer}, {integer})`
help: the type constructed contains `({integer}, {integer})` due to the type of the argument passed
  --> tests/ui/bad-item-type.rs:29:1
   |
29 | #[stream(item = (i32, i32))]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
34 |     yield (1, 2) //~ ERROR mismatched types
   |           ------ this argument influences the type of `{{root}}`
note: tuple variant defined here
  --> $RUST/core/src/task/poll.rs
   |
   |     Ready(#[stable(feature = "futures_api", since = "1.36.0")] T),
   |     ^^^^^
   = note: this error originates in the attribute macro `stream` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0271]: type mismatch resolving `<impl Stream<Item = {integer}> as Stream>::Item == (i32, i32)`
  --> tests/ui/bad-item-type.rs:29:1
   |
29 | #[stream(item = (i32, i32))]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected integer, found `(i32, i32)`
   |
   = note: expected type `{integer}`
             found tuple `(i32, i32)`

error[E0308]: mismatched types
  --> tests/ui/bad-item-type.rs:26:11
   |
18 | #[stream(item = Option<i32>, boxed)]
   | ------------------------------------ arguments to this enum variant are incorrect
...
26 |     yield val; //~ ERROR mismatched types
   |           ^^^ expected `Option<_>`, found integer
   |
   = note: expected enum `Option<_>`
              found type `{integer}`
help: the type constructed contains `{integer}` due to the type of the argument passed
  --> tests/ui/bad-item-type.rs:18:1
   |
18 | #[stream(item = Option<i32>, boxed)]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
26 |     yield val; //~ ERROR mismatched types
   |           --- this argument influences the type of `{{root}}`
note: tuple variant defined here
  --> $RUST/core/src/task/poll.rs
   |
   |     Ready(#[stable(feature = "futures_api", since = "1.36.0")] T),
   |     ^^^^^
   = note: this error originates in the attribute macro `stream` (in Nightly builds, run with -Z macro-backtrace for more info)
help: try wrapping the expression in `Some`
   |
26 |     yield Some(val); //~ ERROR mismatched types
   |           +++++   +

error[E0308]: mismatched types
  --> tests/ui/bad-item-type.rs:42:11
   |
37 | #[stream(item = (i32, i32), boxed)]
   | ----------------------------------- arguments to this enum variant are incorrect
...
42 |     yield (1, 2) //~ ERROR mismatched types
   |           ^^^^^^ expected integer, found `({integer}, {integer})`
   |
   = note: expected type `{integer}`
             found tuple `({integer}, {integer})`
help: the type constructed contains `({integer}, {integer})` due to the type of the argument passed
  --> tests/ui/bad-item-type.rs:37:1
   |
37 | #[stream(item = (i32, i32), boxed)]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
42 |     yield (1, 2) //~ ERROR mismatched types
   |           ------ this argument influences the type of `{{root}}`
note: tuple variant defined here
  --> $RUST/core/src/task/poll.rs
   |
   |     Ready(#[stable(feature = "futures_api", since = "1.36.0")] T),
   |     ^^^^^
   = note: this error originates in the attribute macro `stream` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0271]: type mismatch resolving `<impl Stream<Item = {integer}> as Stream>::Item == (i32, i32)`
  --> tests/ui/bad-item-type.rs:37:1
   |
37 | #[stream(item = (i32, i32), boxed)]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `(i32, i32)`, found integer
   |
   = note: expected tuple `(i32, i32)`
               found type `{integer}`
   = note: required for the cast from `Pin<Box<impl Stream<Item = {integer}>>>` to `Pin<Box<(dyn Stream<Item = (i32, i32)> + Send + 'static)>>`
   = note: this error originates in the attribute macro `stream` (in Nightly builds, run with -Z macro-backtrace for more info)