Struct MemoryStorage 

pub struct MemoryStorage(/* private fields */);

Pieces of data kept in memory, gone when the program ends: for tests and previews.

Trait Implementations

impl Debug for MemoryStorage

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for MemoryStorage

fn default() -> MemoryStorage

Returns the “default value” for a type.

impl Storage for MemoryStorage

fn read(&self, name: &str) -> Result<Option<Vec<u8>>, String>

What is kept under name, or None if nothing is.

fn write(&self, name: &str, bytes: &[u8]) -> Result<(), String>

Keeps bytes under name, in place of what was there.

fn remove(&self, name: &str) -> Result<(), String>

Forgets what is kept under name.