Struct RenderEffect 

pub struct RenderEffect { /* private fields */ }

A reactive effect that automatically tracks signal dependencies and re-executes when any dependency changes.

Unlike the global __euv_signal_update__ mechanism which broadcasts to all DynamicNodes, a RenderEffect only re-runs when signals it actually reads have changed, enabling fine-grained reactive updates.

Implementations

impl RenderEffect

Implementation of RenderEffect reactive operations.

pub fn create<F>(effect_fn: F) -> Self

where F: FnMut() + 'static,

Creates a new RenderEffect that wraps the given closure.

On creation, the closure is executed once immediately. During execution, any Signal::get() calls will register this effect as a subscriber. When any of those signals change, the closure is re-executed.

Arguments

• F - The closure to execute reactively.

Returns

• Self - A new RenderEffect handle.

pub fn dispose(&self)

Marks this effect as disposed and cleans up all its dependencies.

After disposal, run_once becomes a complete no-op. All subscriber entries for this effect are removed from the global EFFECT_SUBSCRIBERS registry, preventing the effect from being scheduled or executed again. This is called when the associated DOM node is removed from the tree (e.g., during a match arm switch in routing) to prevent stale effects from causing infinite loops.

impl RenderEffect

pub fn get_mut_inner(&mut self) -> &mut Rc<RefCell<RenderEffectInner>>

impl RenderEffect

pub fn new(inner: Rc<RefCell<RenderEffectInner>>) -> Self

Trait Implementations

impl Clone for RenderEffect

fn clone(&self) -> RenderEffect

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RenderEffect

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.