Enum ValueRef

pub enum ValueRef<'a, A: Array> {
    Array(&'a A),
    Scalar {
        value: Option<<A as Array>::RefItem<'a>>,
        capacity: usize,
    },
}

The generic reference type of ValueImpl. Used as the arguments of expressions.

Variants

Array(&'a A)

Scalar

Fields

value: Option<<A as Array>::RefItem<'a>>

capacity: usize

Implementations

impl<'a, A: Array> ValueRef<'a, A>

pub fn len(self) -> usize

Number of scalars in this value.

pub fn iter(self) -> impl ExactSizeIterator<Item = Option<A::RefItem<'a>>> + 'a

Iterates over all scalars in this value.

Trait Implementations

impl<'a, A: Clone + Array> Clone for ValueRef<'a, A>

fn clone(&self) -> ValueRef<'a, A>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a, A: Debug + Array> Debug for ValueRef<'a, A>

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

Formats the value using the given formatter.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, BoolArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, BytesArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, Int256Array>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, JsonbArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, ListArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, MapArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, DateArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, DecimalArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, IntervalArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, F32Array>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, F64Array>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, SerialArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, TimeArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, TimestampArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, TimestamptzArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, I16Array>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, I32Array>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, I64Array>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, StructArray>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a> From<&'a ValueImpl> for ValueRef<'a, Utf8Array>

Converts a type-erased value to a reference of a specific array type.

fn from(value: &'a ValueImpl) -> Self

Converts to this type from the input type.

impl<'a, A: Copy + Array> Copy for ValueRef<'a, A>