Struct HookContext 

pub struct HookContext { /* private fields */ }

Manages hook state across render cycles for a DynamicNode.

Stores boxed Any values keyed by hook call order, enabling use_signal and similar hooks to persist state between re-renders of the same dynamic node.

Implements Copy for ergonomic use; all copies share the same underlying state.

SAFETY: The inner pointer is allocated via Box::leak and lives for the entire program. This is safe in single-threaded WASM contexts where no concurrent access can occur.

Implementations

impl HookContext

Implementation of hook context lifecycle and hook index management.

pub fn from_inner(inner: *mut HookContextInner) -> Self

Creates a new HookContext from an existing raw pointer.

Safety

The caller must ensure the pointer was allocated via Box::leak and remains valid for the entire program lifetime.

pub fn get_hook_index(&self) -> usize

Returns the current hook index.

pub fn set_hook_index(&mut self, index: usize)

Sets the hook index.

pub fn get_hooks(&self) -> &Vec<Box<dyn Any>>

Returns a reference to the hooks storage.

pub fn get_mut_hooks(&mut self) -> &mut Vec<Box<dyn Any>>

Returns a mutable reference to the hooks storage.

pub fn reset_hook_index(&mut self)

Resets the hook index for a new render cycle.

Trait Implementations

impl Clone for HookContext

Clones the hook context, sharing the same inner state.

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for HookContext

Provides a default empty hook context.

fn default() -> Self

Returns the “default value” for a type.

impl Copy for HookContext

Copies the hook context, sharing the same inner state.

A HookContext is just a raw pointer; copying it is a trivial bitwise copy.