Enum Updater 

pub enum Updater<T> {
    Value(T),
    Func(Arc<dyn Fn(&T) -> T + Sync + Send>),
}

TanStack-style updater: either a value replacement or a function of the previous value.

Variants

Value(T)

Func(Arc<dyn Fn(&T) -> T + Sync + Send>)

Implementations

impl<T> Updater<T>

pub fn apply(&self, old: &T) -> T

where T: Clone,

Trait Implementations

impl<T> Clone for Updater<T>

where T: Clone,

fn clone(&self) -> Updater<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T> From<T> for Updater<T>

fn from(value: T) -> Updater<T>

Converts to this type from the input type.