Trait Backend 

pub trait Backend: Sized {
    // Required methods
    fn get(
        &self,
        name: &str,
    ) -> impl Future<Output = Result<Option<Vec<u8>>, String>>;
    fn put(
        &self,
        name: &str,
        bytes: &[u8],
    ) -> impl Future<Output = Result<(), String>>;
    fn delete(&self, name: &str) -> impl Future<Output = Result<(), String>>;
    fn list(&self) -> impl Future<Output = Result<Vec<(String, u64)>, String>>;
    fn staging(&self) -> impl Future<Output = Result<Self, String>>;
    fn rename(
        &self,
        name: &str,
        to: &Self,
    ) -> impl Future<Output = Result<(), String>>;
}

Named byte storage. A put is whole or absent: no reader ever sees half of one.

Required Methods

fn get( &self, name: &str, ) -> impl Future<Output = Result<Option<Vec<u8>>, String>>

fn put( &self, name: &str, bytes: &[u8], ) -> impl Future<Output = Result<(), String>>

fn delete(&self, name: &str) -> impl Future<Output = Result<(), String>>

fn list(&self) -> impl Future<Output = Result<Vec<(String, u64)>, String>>

Every name held, with its size in bytes.

fn staging(&self) -> impl Future<Output = Result<Self, String>>

An area of its own beside this one’s names, which no other store writes and list never names.

fn rename( &self, name: &str, to: &Self, ) -> impl Future<Output = Result<(), String>>

name moved from here into to in one step, over whatever to held under it.

Dyn Compatibility

This trait is not dyn compatible.

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

Implementors