Trait bee_storage::access::Exist

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pub trait Exist<K, V>: StorageBackend {
    fn exist(&self, key: &K) -> Result<bool, Self::Error>;
}

Expand description

Exist<K, V> trait extends the StorageBackend with exist operation for the (key: K, value: V) pair; therefore, it should be explicitly implemented for the corresponding StorageBackend.

Required Methods

source

fn exist(&self, key: &K) -> Result<bool, Self::Error>

Checks if a value exists in the storage for the given key.

Trait bee_storage::access::Exist

Required Methods

fn exist(&self, key: &K) -> Result<bool, Self::Error>

Implementors