Trait StorageAccess

pub trait StorageAccess {
    type Storage;
    type Data;

    const STORAGE_KEY: &'static str;
}

A trait for describing which storages an item needs access to. See StashDeviceStorageFactory::initialize for usage.

Example

impl DeviceStorageCompatible for StorageItem {
   // ...
   const KEY: &'static str = "some_key";
}

impl StorageAccess for SomeItem {
    type Storage = DeviceStorage;
    const STORAGE_KEY: &'static str = StorageItem::KEY;
}

Required Associated Constants

const STORAGE_KEY: &'static str

This field should be populated with the key used by the corresponding storage mechanism.

Required Associated Types

type Storage

type Data

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors