Struct Credits 

pub struct Credits { /* private fields */ }

Cloneable access to one credit database.

Implementations

impl Credits

pub fn open(path: impl AsRef<Path>) -> Result<Self, Error>

Opens or creates a credit database at path.

pub fn balance(&self, user_id: &str) -> Result<Balance, Error>

Returns the user’s balance and global revision without changing state.

pub fn award(&self, user_id: &str, amount: u64) -> Result<Balance, Error>

Atomically adds credits and returns the resulting balance.

Trait Implementations

impl Clone for Credits

fn clone(&self) -> Credits

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.