Struct railroad::Empty

pub struct Empty;

A dummy-element which has no size and draws nothing.

This can be used in conjunction with Choice (to indicate that one of the options is blank, a shorthand for an Optional(Choice)), Repeat (if there are zero-or-more repetitions or if there is no joining element), or LabeledBox (if the label should be empty).

Trait Implementations

impl Debug for Empty

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

Formats the value using the given formatter.

impl RailroadNode for Empty

fn entry_height(&self) -> i64

The vertical distance from this element’s top to where the entering, connecting path is drawn.

fn height(&self) -> i64

This primitives’s total height.

fn width(&self) -> i64

This primitive’s total width.

fn draw(&self, x: i64, y: i64) -> Element

Draw this element as an svg::Element.

fn height_below_entry(&self) -> i64

The vertical distance from the height of the connecting path to the bottom.