pyo3::types

Struct PyNone

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pub struct PyNone(/* private fields */);
Expand description

Represents the Python None object.

Values of this type are accessed via PyO3’s smart pointers, e.g. as Py<PyNone> or Bound<'py, PyNone>.

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impl PyNone

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pub fn get(py: Python<'_>) -> Borrowed<'_, '_, PyNone>

Returns the None object.

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pub fn get_bound(py: Python<'_>) -> Borrowed<'_, '_, PyNone>

👎Deprecated since 0.23.0: renamed to PyNone::get

Deprecated name for PyNone::get.

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impl AsRef<PyAny> for PyNone

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fn as_ref(&self) -> &PyAny

Converts this type into a shared reference of the (usually inferred) input type.
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impl Deref for PyNone

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type Target = PyAny

The resulting type after dereferencing.
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fn deref(&self) -> &PyAny

Dereferences the value.
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impl PyTypeInfo for PyNone

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const NAME: &'static str = "NoneType"

Class name.
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const MODULE: Option<&'static str> = None

Module name, if any.
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fn type_object_raw(_py: Python<'_>) -> *mut PyTypeObject

Returns the PyTypeObject instance for this type.
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fn is_type_of(object: &Bound<'_, PyAny>) -> bool

Checks if object is an instance of this type or a subclass of this type.
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fn is_exact_type_of(object: &Bound<'_, PyAny>) -> bool

Checks if object is an instance of this type.
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fn type_object(py: Python<'_>) -> Bound<'_, PyType>

Returns the safe abstraction over the type object.
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fn type_object_bound(py: Python<'_>) -> Bound<'_, PyType>

👎Deprecated since 0.23.0: renamed to PyTypeInfo::type_object
Deprecated name for PyTypeInfo::type_object.
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fn is_type_of_bound(object: &Bound<'_, PyAny>) -> bool

👎Deprecated since 0.23.0: renamed to PyTypeInfo::is_type_of
Deprecated name for PyTypeInfo::is_type_of.
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fn is_exact_type_of_bound(object: &Bound<'_, PyAny>) -> bool

👎Deprecated since 0.23.0: renamed to PyTypeInfo::is_exact_type_of
Deprecated name for PyTypeInfo::is_exact_type_of.
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impl DerefToPyAny for PyNone

Auto Trait Implementations§

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impl !Freeze for PyNone

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impl !RefUnwindSafe for PyNone

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impl !Send for PyNone

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impl !Sync for PyNone

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impl Unpin for PyNone

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impl UnwindSafe for PyNone

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> PyTypeCheck for T
where T: PyTypeInfo,

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const NAME: &'static str = const NAME: &'static str = <T as PyTypeInfo>::NAME;

Name of self. This is used in error messages, for example.
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fn type_check(object: &Bound<'_, PyAny>) -> bool

Checks if object is an instance of Self, which may include a subtype. Read more
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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.