Struct State

pub struct State<'a> { /* private fields */ }

Implementations

impl<'a> State<'a>

pub fn new(data: &'a Props, update: StateUpdate) -> Self

pub fn data(&self) -> &Props

pub fn has<T>(&self) -> bool

where T: 'static + PropsData,

pub fn read<T>(&self) -> Result<&'a T, StateError>

where T: 'static + PropsData,

pub fn map_or_default<T, R, F>(&self, f: F) -> R

where T: 'static + PropsData, R: Default, F: FnMut(&T) -> R,

pub fn map_or_else<T, R, F, E>(&self, f: F, e: E) -> R

where T: 'static + PropsData, F: FnMut(&T) -> R, E: FnMut() -> R,

pub fn read_cloned<T>(&self) -> Result<T, StateError>

where T: 'static + PropsData + Clone,

pub fn read_cloned_or_default<T>(&self) -> T

where T: 'static + PropsData + Clone + Default,

pub fn read_cloned_or_else<T, F>(&self, f: F) -> T

where T: 'static + PropsData + Clone + Default, F: FnMut() -> T,

pub fn write<T>(&self, data: T) -> Result<(), StateError>

where T: 'static + PropsData + Send + Sync,

pub fn write_with<T>(&self, data: T) -> Result<(), StateError>

where T: 'static + PropsData + Send + Sync,

pub fn write_without<T>(&self) -> Result<(), StateError>

where T: 'static + PropsData + Send + Sync,

pub fn mutate<T, F>(&self, f: F) -> Result<(), StateError>

where T: 'static + PropsData + Send + Sync, F: FnMut(&T) -> T,

pub fn mutate_cloned<T, F>(&self, f: F) -> Result<(), StateError>

where T: 'static + PropsData + Send + Sync + Clone, F: FnMut(&mut T),

pub fn update(&self) -> &StateUpdate