Struct IdRemap 

pub struct IdRemap { /* private fields */ }

Dense-id remap produced by TabularData::project.

Maps original (source) variable ids onto contiguous projected ids 0..k-1.

Implementations

impl IdRemap

pub fn map(&self, old: VariableId) -> Result<VariableId, DataError>

Map an original id to its projected dense id.

Errors

DataError::UnknownVariable when old was not included in the projection.

pub fn len(&self) -> usize

Number of projected columns.

pub fn is_empty(&self) -> bool

Whether empty.

Trait Implementations

impl Clone for IdRemap

fn clone(&self) -> IdRemap

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for IdRemap

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

Formats the value using the given formatter.