pub trait Scrollable {
// Required methods
fn selected(&self) -> usize;
fn len(&self) -> usize;
fn set_selected(&mut self, selected: usize) -> bool;
fn element_height(&self, index: usize) -> u16;
fn visible_range(&self, height: u16) -> Box<dyn Iterator<Item = usize>>;
fn visible_start_end(&self, height: u16) -> (usize, usize);
fn up(&mut self, how_much: usize);
fn down(&mut self, how_much: usize);
}Required Methods§
fn selected(&self) -> usize
fn len(&self) -> usize
fn set_selected(&mut self, selected: usize) -> bool
fn element_height(&self, index: usize) -> u16
fn visible_range(&self, height: u16) -> Box<dyn Iterator<Item = usize>>
fn visible_start_end(&self, height: u16) -> (usize, usize)
fn up(&mut self, how_much: usize)
fn down(&mut self, how_much: usize)
Dyn Compatibility§
This trait is dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety".