Function cursive::view::scroll::important_area

pub fn important_area<T, ImportantArea>(
    scroller: &T,
    size: XY<usize>,
    important_area: ImportantArea
) -> Rectwhere
    T: Scroller,
    ImportantArea: FnMut(&T, XY<usize>) -> Rect,

Performs View::important_area on a scroll::Scroller.