Struct ChannelMessageCounts 

pub struct ChannelMessageCounts(pub Vec<ChannelCountPair>);

Component: A mapping of channel IDs to their respective message counts.

Used in MCAP statistics to track how many messages were recorded per channel.

⚠️ This type is unstable and may change significantly in a way that the data won’t be backwards compatible.

Tuple Fields

0: Vec<ChannelCountPair>

The channel ID to message count pairs.

Trait Implementations

impl Clone for ChannelMessageCounts

fn clone(&self) -> ChannelMessageCounts

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Component for ChannelMessageCounts

fn name() -> ComponentType

The fully-qualified type of this component, e.g. rerun.components.Position2D.

impl Debug for ChannelMessageCounts

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

Formats the value using the given formatter.

impl Default for ChannelMessageCounts

fn default() -> ChannelMessageCounts

Returns the “default value” for a type.

impl<'a> From<&'a ChannelMessageCounts> for Cow<'a, ChannelMessageCounts>

fn from(value: &'a ChannelMessageCounts) -> Cow<'a, ChannelMessageCounts>

Converts to this type from the input type.

impl<'a> From<ChannelMessageCounts> for Cow<'a, ChannelMessageCounts>

fn from(value: ChannelMessageCounts) -> Cow<'a, ChannelMessageCounts>

Converts to this type from the input type.

impl<I, T> From<T> for ChannelMessageCounts

where I: Into<ChannelCountPair>, T: IntoIterator<Item = I>,

fn from(v: T) -> ChannelMessageCounts

Converts to this type from the input type.

impl Loggable for ChannelMessageCounts

fn arrow_datatype() -> DataType

The underlying arrow::datatypes::DataType, excluding datatype extensions.

fn to_arrow_opt<'a>( data: impl IntoIterator<Item = Option<impl Into<Cow<'a, ChannelMessageCounts>>>>, ) -> Result<Arc<dyn Array>, SerializationError>

where ChannelMessageCounts: Clone + 'a,

Given an iterator of options of owned or reference values to the current Loggable, serializes them into an Arrow array.

fn from_arrow_opt( arrow_data: &dyn Array, ) -> Result<Vec<Option<ChannelMessageCounts>>, DeserializationError>

where ChannelMessageCounts: Sized,

Given an Arrow array, deserializes it into a collection of optional Loggables.

fn arrow_empty() -> Arc<dyn Array>

fn to_arrow<'a>( data: impl IntoIterator<Item = impl Into<Cow<'a, Self>>>, ) -> Result<Arc<dyn Array>, SerializationError>

where Self: 'a,

Given an iterator of owned or reference values to the current Loggable, serializes them into an Arrow array.

fn from_arrow(data: &dyn Array) -> Result<Vec<Self>, DeserializationError>

Given an Arrow array, deserializes it into a collection of Loggables.

fn verify_arrow_array(data: &dyn Array) -> Result<(), DeserializationError>

Verifies that the given Arrow array can be deserialized into a collection of Selfs.

impl PartialEq for ChannelMessageCounts

fn eq(&self, other: &ChannelMessageCounts) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl SizeBytes for ChannelMessageCounts

fn heap_size_bytes(&self) -> u64

Returns how many bytes self uses on the heap.

fn is_pod() -> bool

Is Self just plain old data?

fn total_size_bytes(&self) -> u64

Returns the total size of self in bytes, accounting for both stack and heap space.

fn stack_size_bytes(&self) -> u64

Returns the total size of self on the stack, in bytes.

impl Eq for ChannelMessageCounts

impl StructuralPartialEq for ChannelMessageCounts