Struct VirtualList 

pub struct VirtualList<'a, Msg = Callback> {
    pub count: usize,
    pub item_extent: f32,
    pub axis: Axis,
    pub build: &'a dyn Fn(usize) -> Box<dyn Widget<Msg>>,
}

The description of a virtualised list, exposed to the render driver.

Fields

count: usize

Total number of items.

item_extent: f32

The (logical) extent of one item along the axis the list scrolls: its height down a vertical list, its width across a horizontal one.

axis: Axis

Which way the list runs.

build: &'a dyn Fn(usize) -> Box<dyn Widget<Msg>>

Builds one item per index.