Trait UserCount

Source
pub trait UserCount {
    // Required methods
    fn user_increase(&mut self);
    fn user_count(&self) -> usize;

    // Provided method
    fn user_empty(&self) -> bool { ... }
}
Expand description

Trait for user counts of objects.

Required Methods§

Source

fn user_increase(&mut self)

Add a user

Source

fn user_count(&self) -> usize

How many users have been registered

Provided Methods§

Source

fn user_empty(&self) -> bool

Are there any users registered

Implementors§