Struct PyScalarValue

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pub struct PyScalarValue(pub ScalarValue);

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A ScalarValue wrapped in a Python object. This struct allows for conversion from a variety of Python objects into a ScalarValue. See FromPyArrow::from_pyarrow_bound conversion details.

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§0: ScalarValue

Trait Implementations§

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impl Clone for PyScalarValue

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fn clone(&self) -> PyScalarValue

Returns a duplicate 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 PyScalarValue

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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 Eq for PyScalarValue

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impl From<PyScalarValue> for ScalarValue

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fn from(value: PyScalarValue) -> Self

Converts to this type from the input type.

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impl From<ScalarValue> for PyScalarValue

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fn from(value: ScalarValue) -> Self

Converts to this type from the input type.

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impl FromPyArrow for PyScalarValue

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fn from_pyarrow_bound(value: &Bound<'_, PyAny>) -> PyResult<Self>

Convert a Python object to an arrow-rs type. Read more

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impl<'source> FromPyObject<'_, 'source> for PyScalarValue

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type Error = PyErr

The type returned in the event of a conversion error. Read more

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fn extract(value: Borrowed<'_, 'source, PyAny>) -> Result<Self, Self::Error>

Extracts Self from the bound smart pointer obj. Read more

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impl Hash for PyScalarValue

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more

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impl PartialEq for PyScalarValue

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fn eq(&self, other: &PyScalarValue) -> bool

Tests for self and other values to be equal, and is used by ==.

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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

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impl PartialOrd for PyScalarValue

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fn partial_cmp(&self, other: &PyScalarValue) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more

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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more

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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more

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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more

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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more

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impl StructuralPartialEq for PyScalarValue

Auto Trait Implementations§

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impl UnsafeUnpin for PyScalarValue

Blanket Implementations§

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impl<Source> AccessAs for Source

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fn ref_as<T>(&self) -> <Source as IGuardRef<T>>::Guard<'_>
where Source: IGuardRef<T>, T: ?Sized,

Provides immutable access to a type as if it were its ABI-unstable equivalent.

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fn mut_as<T>(&mut self) -> <Source as IGuardMut<T>>::GuardMut<'_>
where Source: IGuardMut<T>, T: ?Sized,

Provides mutable access to a type as if it were its ABI-unstable equivalent.

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> DynEq for T
where T: Eq + Any,

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fn dyn_eq(&self, other: &(dyn Any + 'static)) -> bool

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impl<T> DynHash for T
where T: Hash + Any,

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fn dyn_hash(&self, state: &mut dyn Hasher)

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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<'py, T> FromPyObjectOwned<'py> for T
where T: for<'a> FromPyObject<'a, 'py>,

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impl<T, As> IGuardMut<As> for T
where T: Into<As>, As: Into<T>,

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type GuardMut<'a> = MutAs<'a, T, As> where T: 'a

The type of the guard which will clean up the temporary after applying its changes to the original.

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fn guard_mut_inner(&mut self) -> <T as IGuardMut<As>>::GuardMut<'_>

Construct the temporary and guard it through a mutable reference.

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impl<T, As> IGuardRef<As> for T
where T: Into<As>, As: Into<T>,

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type Guard<'a> = RefAs<'a, T, As> where T: 'a

The type of the guard which will clean up the temporary.

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fn guard_ref_inner(&self) -> <T as IGuardRef<As>>::Guard<'_>

Construct the temporary and guard it through an immutable reference.

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impl<T> Includes<End> for T

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type Output = End

The result

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into 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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