async_map::single_writer_versioned

Trait DataUpdater

Source 
pub trait DataUpdater<T>:
    FnOnce(&T) -> Option<T>
    + Send
    + 'static
where
    T: Data,
{ }

Implementors§

Source§

impl<T, S: FnOnce(&T) -> Option<T> + Send + 'static> DataUpdater<T> for S
where T: Data,