Type Alias NoData

pub type NoData = ();

Represents data absence.

Trait Implementations

impl DataType for NoData

type Value = ()

The DataValue type that pairs with this DataType.

fn data_value_default(&self) -> Option<Self::Value>

Returns some default value corresponding to the current type.

fn data_value_is_copy(&self) -> bool

Returns true if the data represented by this type is Copy.

fn data_value_align(&self) -> usize

Returns the alignment of the data represented by the current type.

fn data_value_size(&self) -> usize

Returns the size of the data represented by this type.

impl DataTypeCopy for NoData

fn data_value_copy_default(&self) -> Option<Self::Value>

Returns some default value corresponding to the current (Copy) type.

impl DataValue for NoData

type Type = ()

The DataType type that pairs with this DataValue.

fn data_type(&self) -> Self::Type

Returns the data type corresponding to the current value.

fn data_value_is_copy(&self) -> bool

Whether the data type in the current variant is Copy.

impl DataValueCopy for NoData

fn data_type_copy(&self) -> Self::Type

Returns the data type corresponding to the current (Copy) value.

impl DataRaw for NoData

Available on crate feature unsafe_layout only.