Struct cpython::NoArgs

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pub struct NoArgs;
Expand description

An empty struct that represents the empty argument list. Corresponds to the empty tuple () in Python.

§Example

let gil_guard = cpython::Python::acquire_gil();
let py = gil_guard.python();
let os = py.import("os").unwrap();
let pid = os.call(py, "getpid", cpython::NoArgs, None).unwrap();

Trait Implementations§

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impl Clone for NoArgs

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fn clone(&self) -> NoArgs

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for NoArgs

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'s> FromPyObject<'s> for NoArgs

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fn extract(py: Python<'_>, obj: &'s PyObject) -> PyResult<Self>

Returns Ok(NoArgs) if the input is an empty Python tuple. Otherwise, returns an error.

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impl ToPyObject for NoArgs

Converts NoArgs to an empty Python tuple.

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type ObjectType = PyTuple

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fn to_py_object(&self, py: Python<'_>) -> PyTuple

Converts self into a Python object.
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fn into_py_object(self, py: Python<'_>) -> Self::ObjectType
where Self: Sized,

Converts self into a Python object. Read more
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fn with_borrowed_ptr<F, R>(&self, py: Python<'_>, f: F) -> R
where F: FnOnce(*mut PyObject) -> R,

Converts self into a Python object and calls the specified closure on the native FFI pointer underlying the Python object. Read more
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impl Copy for NoArgs

Auto Trait Implementations§

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impl Freeze for NoArgs

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impl RefUnwindSafe for NoArgs

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impl Send for NoArgs

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impl Sync for NoArgs

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impl Unpin for NoArgs

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impl UnwindSafe for NoArgs

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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.