Trait splinter::sets::DurableSet[−][src]

pub trait DurableSet: Send + Sync {
    type Item: Send;
    fn add(&mut self, item: Self::Item) -> Result<(), DurableSetError>;

    fn remove(
        &mut self, 
        item: &Self::Item
    ) -> Result<Option<Self::Item>, DurableSetError>;

    fn contains(&self, item: &Self::Item) -> Result<bool, DurableSetError>;

    fn iter<'a>(
        &'a self
    ) -> Result<Box<dyn Iterator<Item = Self::Item> + 'a>, DurableSetError>;

    fn len(&self) -> Result<u64, DurableSetError>;

    fn is_empty(&self) -> Result<bool, DurableSetError> { ... }
}
Expand description

A Durable Set.

This trait provides an API for interacting with Durable sets that may be backed by a wide variety of persistent storage.

Associated Types

Required methods

Add an item to the set.

Remove an item to the set.

Get a value based on the query item.

Returns an iterator over the contents of the set.

Returns the count of the values in the set.

Provided methods

Implementors