ztopic 0.3.18

A topic-based pub/sub library for Rust
Documentation 
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#[allow(unused_variables)]
pub trait Storage<V>: Clone {
    fn insert(&mut self, value: V) {}

    fn refresh(&mut self) {}

    fn get_item(&self, cursor: usize) -> Option<(&V, usize)>;

    fn get_prev_cursor(&self) -> usize {
        0
    }

    fn size_hint(&self, cursor: usize) -> usize;
}