Struct cpython::PyInt [−][src]
Represents a Python int
object.
Note that in Python 2.x, int
and long
are different types.
When rust-cpython is compiled for Python 3.x,
PyInt
and PyLong
are aliases for the same type, which
corresponds to a Python int
.
You can usually avoid directly working with this type by using ToPyObject and extract with the primitive Rust integer types.
Implementations
impl PyInt
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pub fn new(py: Python<'_>, val: c_long) -> PyInt
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Creates a new Python 2.7 int
object.
Note: you might want to call val.to_py_object(py)
instead
to avoid truncation if the value does not fit into a c_long
,
and to make your code compatible with Python 3.x.
pub fn value(&self, _py: Python<'_>) -> c_long
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Gets the value of this integer.
Warning: PyInt::value()
is only supported for Python 2.7 int
objects,
but not for long
objects.
In almost all cases, you can avoid the distinction between these types
by simply calling obj.extract::<i32>(py)
.
Trait Implementations
impl<'s> FromPyObject<'s> for PyInt
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impl<'s> FromPyObject<'s> for &'s PyInt
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impl PythonObject for PyInt
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fn as_object(&self) -> &PyObject
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fn into_object(self) -> PyObject
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unsafe fn unchecked_downcast_from(obj: PyObject) -> Self
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Unchecked downcast from PyObject to Self. Undefined behavior if the input object does not have the expected type.
unsafe fn unchecked_downcast_borrow_from<'a>(obj: &'a PyObject) -> &'a Self
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Unchecked downcast from PyObject to Self. Undefined behavior if the input object does not have the expected type.
impl PythonObjectWithCheckedDowncast for PyInt
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fn downcast_from<'p>(
py: Python<'p>,
obj: PyObject
) -> Result<PyInt, PythonObjectDowncastError<'p>>
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py: Python<'p>,
obj: PyObject
) -> Result<PyInt, PythonObjectDowncastError<'p>>
fn downcast_borrow_from<'a, 'p>(
py: Python<'p>,
obj: &'a PyObject
) -> Result<&'a PyInt, PythonObjectDowncastError<'p>>
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py: Python<'p>,
obj: &'a PyObject
) -> Result<&'a PyInt, PythonObjectDowncastError<'p>>
impl PythonObjectWithTypeObject for PyInt
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fn type_object(py: Python<'_>) -> PyType
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impl ToPyObject for PyInt
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Identity conversion: allows using existing PyObject
instances where
T: ToPyObject
is expected.
type ObjectType = PyInt
fn to_py_object(&self, py: Python<'_>) -> PyInt
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fn into_py_object(self, _py: Python<'_>) -> PyInt
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fn with_borrowed_ptr<F, R>(&self, _py: Python<'_>, f: F) -> R where
F: FnOnce(*mut PyObject) -> R,
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F: FnOnce(*mut PyObject) -> R,
Auto Trait Implementations
impl RefUnwindSafe for PyInt
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impl Send for PyInt
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impl Sync for PyInt
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impl Unpin for PyInt
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impl UnwindSafe for PyInt
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,