Interface BarDatum

src/views/datum.rs:4–15

A trait that defines interaction with a data point used in a bar chart. This provides greater flexibility in using different data sources as one can simply implement this trait and be able to use that data in a bar chart.

/// This provides greater flexibility in using different data sources as one
/// can simply implement this trait and be able to use that data in a bar chart.
pub trait BarDatum {
    /// Return the category of the datum.
    fn get_category(&self) -> String;

    /// Return the value of the datum.
    fn get_value(&self) -> f32;

    /// Return the key of the datum. This is optional in a simple bar chart
    /// (just return an empty string), but is required in a stacked bar chart
    /// as the stacked entries are differentiated by the key.
    fn get_key(&self) -> String;
}

/// A trait that defines interaction with a data point used in a scatter/line plots.
pub trait PointDatum<T, U> {