Trait History 

pub trait History {
    // Required methods
    fn push(&mut self, line: &str);
    fn len(&self) -> usize;
    fn get(&self, index: usize) -> Option<String>;

    // Provided method
    fn is_empty(&self) -> bool { ... }
}

Required Methods

fn push(&mut self, line: &str)

fn len(&self) -> usize

fn get(&self, index: usize) -> Option<String>

Provided Methods

fn is_empty(&self) -> bool

Implementors

impl History for InMemoryHistory