Struct arrow2::scalar::NullScalar
source · [−]pub struct NullScalar {}
Expand description
The representation of a single entry of a crate::array::NullArray
.
Implementations
sourceimpl NullScalar
impl NullScalar
sourcepub fn new() -> Self
pub fn new() -> Self
A new NullScalar
Trait Implementations
sourceimpl Clone for NullScalar
impl Clone for NullScalar
sourcefn clone(&self) -> NullScalar
fn clone(&self) -> NullScalar
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for NullScalar
impl Debug for NullScalar
sourceimpl Default for NullScalar
impl Default for NullScalar
sourceimpl PartialEq<NullScalar> for NullScalar
impl PartialEq<NullScalar> for NullScalar
sourcefn eq(&self, other: &NullScalar) -> bool
fn eq(&self, other: &NullScalar) -> bool
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
sourceimpl Scalar for NullScalar
impl Scalar for NullScalar
impl Eq for NullScalar
impl StructuralEq for NullScalar
impl StructuralPartialEq for NullScalar
Auto Trait Implementations
impl RefUnwindSafe for NullScalar
impl Send for NullScalar
impl Sync for NullScalar
impl Unpin for NullScalar
impl UnwindSafe for NullScalar
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
sourcefn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to key
and return true
if they are equal.