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ColumnView

Enum ColumnView 

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pub enum ColumnView<'a> {
    F64(&'a [f64]),
    F32(&'a [f32]),
    I64(&'a [i64]),
    I32(&'a [i32]),
    I16(&'a [i16]),
    I8(&'a [i8]),
    U64(&'a [u64]),
    U32(&'a [u32]),
    U16(&'a [u16]),
    U8(&'a [u8]),
    Bool(&'a [bool]),
}
Expand description

Borrowed column values.

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F64(&'a [f64])

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F32(&'a [f32])

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I64(&'a [i64])

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I32(&'a [i32])

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I16(&'a [i16])

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I8(&'a [i8])

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U64(&'a [u64])

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U32(&'a [u32])

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U16(&'a [u16])

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U8(&'a [u8])

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Bool(&'a [bool])

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impl ColumnView<'_>

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pub fn len(&self) -> usize

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pub fn is_empty(&self) -> bool

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pub const fn scalar(&self) -> ScalarType

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pub const fn scalar_type(&self) -> ScalarType

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impl<'a> Clone for ColumnView<'a>

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fn clone(&self) -> ColumnView<'a>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'a> Copy for ColumnView<'a>

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impl<'a> Debug for ColumnView<'a>

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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<'a> PartialEq for ColumnView<'a>

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fn eq(&self, other: &ColumnView<'a>) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

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<'a> StructuralPartialEq for ColumnView<'a>

Auto Trait Implementations§

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impl<'a> Freeze for ColumnView<'a>

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impl<'a> RefUnwindSafe for ColumnView<'a>

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impl<'a> Send for ColumnView<'a>

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impl<'a> Sync for ColumnView<'a>

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impl<'a> Unpin for ColumnView<'a>

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impl<'a> UnsafeUnpin for ColumnView<'a>

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impl<'a> UnwindSafe for ColumnView<'a>

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> 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> 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.