Struct CachedFileStorage

pub struct CachedFileStorage { /* private fields */ }

Implementations

impl CachedFileStorage

pub fn load_or_create<P: AsRef<Path> + Into<PathBuf>>(file: P) -> Result<Self>

Trait Implementations

impl Storage for CachedFileStorage

type SetError = StorageError

Error which may occur when attempting to write to the storage.

type GetError = Void

Error which may occur when attempting to read from the storage.

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

When this function is called, the implementor must store the given value for key in the storage or return error in case of failure.

fn get(&mut self, key: &str) -> Result<Option<Value>, Self::GetError>

The implementor must return the value at given key (if exists, None if not) or error if getting fails.