Struct re_query::ComponentWithInstances

pub struct ComponentWithInstances { /* private fields */ }

A type-erased array of Component values and the corresponding InstanceKey keys.

See: crate::get_component_with_instances

Implementations

impl ComponentWithInstances

pub fn name(&self) -> ComponentName

Name of the Component

pub fn len(&self) -> usize

Number of values. 1 for splats.

pub fn is_empty(&self) -> bool

Whether this ComponentWithInstances contains any data

pub fn instance_keys(&self) -> Vec<InstanceKey>

Returns the array of InstanceKeys.

pub fn values<'a, C: Component + 'a>(&'a self) -> Result<Vec<Option<C>>>

Returns the array of values as native Components.

pub fn lookup<C: Component>(&self, instance_key: &InstanceKey) -> Result<C>

Look up the value that corresponds to a given InstanceKey and convert to Component

pub fn lookup_arrow(&self, instance_key: &InstanceKey) -> Option<Box<dyn Array>>

Look up the value that corresponds to a given InstanceKey and return as an arrow Array

pub fn from_native<'a, C: Component + Clone + 'a>( instance_keys: impl IntoIterator<Item = impl Into<Cow<'a, InstanceKey>>>, values: impl IntoIterator<Item = impl Into<Cow<'a, C>>> ) -> SerializationResult<ComponentWithInstances>

Produce a ComponentWithInstances from native Component types

pub fn into_data_cell_row(self) -> DataCellRow

Trait Implementations

impl Clone for ComponentWithInstances

fn clone(&self) -> ComponentWithInstances

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ComponentWithInstances

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

Formats the value using the given formatter.

impl Display for ComponentWithInstances

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

Formats the value using the given formatter.