Struct ClosureStateReducer 

pub struct ClosureStateReducer<State, Update, F> { /* private fields */ }

A custom StateReducer backed by a closure.

Implementations

impl<State, Update, F> ClosureStateReducer<State, Update, F>

where F: Fn(State, Update) -> Result<State> + Send + Sync,

pub fn new(f: F) -> Self

Creates a custom state reducer from an apply closure.

Trait Implementations

impl<State, Update, F> StateReducer<State, Update> for ClosureStateReducer<State, Update, F>

where State: Send + Sync, Update: Send + Sync, F: Fn(State, Update) -> Result<State> + Send + Sync,

fn apply(&self, state: State, update: Update) -> Result<State>

Applies update to state, producing the new state.