deep_causality 0.13.5

Computational causality library. Provides causality graph, collections, context and causal reasoning.
Documentation 
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/*
 * SPDX-License-Identifier: MIT
 * Copyright (c) 2023 - 2026. The DeepCausality Authors and Contributors. All Rights Reserved.
 */

pub trait DataIndexable {
    /// Gets the data index for the provided key from either the current or previous
    /// index map, depending on the value of `current`.
    ///
    /// # Parameters
    ///
    /// * `key` - The key to look up in the index map
    /// * `current` - Whether to check the current or previous index map
    ///
    /// # Returns
    ///
    /// Returns the index for the provided key if it exists, otherwise returns None.
    ///
    fn get_data_index(&self, key: &usize, current: bool) -> Option<&usize>;

    /// Sets the  data index for the provided key in either the current or previous
    /// index map, depending on the value of `current`.
    ///
    /// # Parameters
    ///
    /// * `key` - The key to insert into the index map
    /// * `index` - The index value to associate with the key
    /// * `current` - Whether to insert into the current or previous index map
    ///
    /// If the key already exists in the chosen index map, the existing value
    /// will be overwritten with the provided `index` value.
    ///
    fn set_data_index(&mut self, key: usize, index: usize, current: bool);
}