Method label_formatter

egui_plot/src/plot.rs:420–423

(mut self, label_formatter: impl Fn(&HoverPosition<'_>) -> Option<String> + 'a)

    /// ```
    #[inline]
    pub fn label_formatter(mut self, label_formatter: impl Fn(&HoverPosition<'_>) -> Option<String> + 'a) -> Self {
        self.label_formatter = Some(Box::new(label_formatter));
        self
    }

    /// Show the pointer coordinates in the plot.
    #[inline]