pub fn modify(&self, f: impl FnOnce(&T) -> T) {
        let new_val = {
            let current = self.slot.borrow();
            f(current.as_ref())
        };
        (self.setter)(new_val);
    }
/// Set the state to a new value, using the current state value as a reference.
///
/// This is similar to passing a closure to React's `set_value` function.
///
/// # Examples
///
/// Basic usage:
/// ```rust
/// # use dioxus_core::prelude::*;
/// # use dioxus_hooks::*;
/// fn component(cx: Scope) -> Element {
///     let value = use_state(&cx, || 0);
///
///     // to increment the value
///     value.modify(|v| v + 1);
///
///     // usage in async
///     cx.spawn({
///         let value = value.to_owned();
///         async move {
///             value.modify(|v| v + 1);
///         }
///     });
///
///     # todo!()
/// }
/// ```
Set the state to a new value, using the current state value as a reference.
This is similar to passing a closure to React's `set_value` function.
Set the state to a new value using the current state value as a reference . This is similar to passing a closure to React ' s ` set_value ` function .
pub fn modify(&self, f: impl FnOnce(&T) -> T) {
        let new_val = {
            let current = self.slot.borrow();
            f(current.as_ref())
        };
        (self.setter)(new_val);
    }
pub fn modify ( & self , f : impl FnOnce ( & T ) -> T ) { let new_val = { let current = self . slot . borrow ( ) ; f ( current . as_ref ( ) ) } ; ( self . setter ) ( new_val ) ; }
Set the state to a new value, using the current state value as a reference.
Set the state to a new value using the current state value as a reference .
&self
f
impl FnOnce(&T) -> T
&self
f
impl FnOnce(&T) -> T
examples
Basic usage:
```rust
Basic usage : ` ` ` rust
use dioxus_core::prelude::*;
None
use dioxus_hooks::*;
fn component(cx: Scope) -> Element {
let value = use_state(&cx, || 0).

to increment the value
value.modify(|v| v + 1).

usage in async
cx.spawn({
let value = value.to_owned();
async move {
value.modify(|v| v + 1);
}
}).


fn component ( cx : Scope ) - > Element { let value = use_state ( &cx || 0 ) . to increment the value value . modify ( |v| v + 1 ) . usage in async cx . spawn ( { let value = value . to_owned () ; async move { value . modify ( |v| v + 1 ) ; } } ) .