Trait Engine 

pub trait Engine {
    type Error: Into<Error>;

    // Required methods
    fn set(&mut self, key: Key, value: Value) -> Result<(), Self::Error>;
    fn get(&self, key: Key) -> Result<Option<Value>, Self::Error>;
    fn delete(&mut self, key: Key) -> Result<(), Self::Error>;
    fn scan(
        &self,
        lower_bound: Option<Key>,
        upper_bound: Option<Key>,
    ) -> Result<Box<dyn Scanner + '_>, Self::Error>;
}

Required Associated Types

type Error: Into<Error>

Required Methods

fn set(&mut self, key: Key, value: Value) -> Result<(), Self::Error>

fn get(&self, key: Key) -> Result<Option<Value>, Self::Error>

fn delete(&mut self, key: Key) -> Result<(), Self::Error>

fn scan( &self, lower_bound: Option<Key>, upper_bound: Option<Key>, ) -> Result<Box<dyn Scanner + '_>, Self::Error>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors