pyo3/tests/ui/invalid_cancel_handle.stderr

error: `cancel_handle` may only be specified once per argument
 --> tests/ui/invalid_cancel_handle.rs:4:55
  |
4 | async fn cancel_handle_repeated(#[pyo3(cancel_handle, cancel_handle)] _param: String) {}
  |                                                       ^^^^^^^^^^^^^

error: `cancel_handle` may only be specified once
 --> tests/ui/invalid_cancel_handle.rs:9:28
  |
9 |     #[pyo3(cancel_handle)] _param2: String,
  |                            ^^^^^^^

error: `cancel_handle` attribute can only be used with `async fn`
  --> tests/ui/invalid_cancel_handle.rs:14:53
   |
14 | fn cancel_handle_synchronous(#[pyo3(cancel_handle)] _param: String) {}
   |                                                     ^^^^^^

error[E0308]: mismatched types
  --> tests/ui/invalid_cancel_handle.rs:16:1
   |
16 | #[pyfunction]
   | ^^^^^^^^^^^^^
   | |
   | expected `String`, found `CancelHandle`
   | arguments to this function are incorrect
   |
note: function defined here
  --> tests/ui/invalid_cancel_handle.rs:17:10
   |
17 | async fn cancel_handle_wrong_type(#[pyo3(cancel_handle)] _param: String) {}
   |          ^^^^^^^^^^^^^^^^^^^^^^^^                        --------------
   = note: this error originates in the attribute macro `pyfunction` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `CancelHandle: PyClass` is not satisfied
  --> tests/ui/invalid_cancel_handle.rs:20:50
   |
20 | async fn missing_cancel_handle_attribute(_param: pyo3::coroutine::CancelHandle) {}
   |                                                  ^^^^ the trait `PyClass` is not implemented for `CancelHandle`, which is required by `CancelHandle: PyFunctionArgument<'_, '_>`
   |
   = help: the trait `PyClass` is implemented for `pyo3::coroutine::Coroutine`
   = note: required for `CancelHandle` to implement `FromPyObject<'_>`
   = note: required for `CancelHandle` to implement `FromPyObjectBound<'_, '_>`
   = note: required for `CancelHandle` to implement `PyFunctionArgument<'_, '_>`
note: required by a bound in `extract_argument`
  --> src/impl_/extract_argument.rs
   |
   | pub fn extract_argument<'a, 'py, T>(
   |        ---------------- required by a bound in this function
...
   |     T: PyFunctionArgument<'a, 'py>,
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `extract_argument`

error[E0277]: the trait bound `CancelHandle: Clone` is not satisfied
  --> tests/ui/invalid_cancel_handle.rs:20:50
   |
20 | async fn missing_cancel_handle_attribute(_param: pyo3::coroutine::CancelHandle) {}
   |                                                  ^^^^ the trait `Clone` is not implemented for `CancelHandle`, which is required by `CancelHandle: PyFunctionArgument<'_, '_>`
   |
   = help: the following other types implement trait `PyFunctionArgument<'a, 'py>`:
             Option<&'a pyo3::Bound<'py, T>>
             &'a pyo3::Bound<'py, T>
             &'a pyo3::coroutine::Coroutine
             &'a mut pyo3::coroutine::Coroutine
   = note: required for `CancelHandle` to implement `FromPyObject<'_>`
   = note: required for `CancelHandle` to implement `FromPyObjectBound<'_, '_>`
   = note: required for `CancelHandle` to implement `PyFunctionArgument<'_, '_>`
note: required by a bound in `extract_argument`
  --> src/impl_/extract_argument.rs
   |
   | pub fn extract_argument<'a, 'py, T>(
   |        ---------------- required by a bound in this function
...
   |     T: PyFunctionArgument<'a, 'py>,
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `extract_argument`