Struct BacktestDataIterator 

pub struct BacktestDataIterator { /* private fields */ }

Multi-stream, time-ordered data iterator used by the backtest engine.

Implementations

impl BacktestDataIterator

pub fn new() -> Self

Creates a new empty BacktestDataIterator.

pub fn add_data(&mut self, name: &str, data: Vec<Data>, append_data: bool)

Adds (or replaces) a named data stream.

When append_data is true the stream gets lower priority on timestamp ties; when false (prepend) it wins ties.

pub fn remove_data(&mut self, name: &str, complete_remove: bool)

Removes a named data stream.

pub fn set_index(&mut self, name: &str, index: usize)

Sets the cursor of a named stream to index (0-based).

pub fn reset_all_cursors(&mut self)

Resets all stream cursors to the beginning.

pub fn next(&mut self) -> Option<Data>

Returns the next Data element across all streams in chronological order.

pub fn is_done(&self) -> bool

Returns whether all streams have been fully consumed.

Trait Implementations

impl Debug for BacktestDataIterator

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

Formats the value using the given formatter.

impl Default for BacktestDataIterator

fn default() -> BacktestDataIterator

Returns the “default value” for a type.