Struct CallbackChain 

pub struct CallbackChain<T: Send + Sync + 'static> { /* private fields */ }

A named chain of callbacks for a lifecycle event.

Implementations

impl<T: Send + Sync + 'static> CallbackChain<T>

pub fn new(name: impl Into<String>) -> Self

Creates an empty callback chain for the given lifecycle name.

pub fn name(&self) -> &str

Returns the chain name.

pub fn len(&self) -> usize

Returns the number of registered callbacks.

pub fn is_empty(&self) -> bool

Returns true when the chain has no callbacks.

pub fn set_run_after_on_halt(&mut self, run_after_on_halt: bool)

Controls whether after callbacks still run when the chain halts.

pub fn add(&mut self, callback: Callback<T>)

Adds a callback to the chain, replacing any existing callback with the same name.

pub fn skip(&mut self, name: &str)

Removes every callback with the provided name.

pub fn reset(&mut self)

Clears the callback chain.

pub fn run(&self, target: &mut T, action_name: &str) -> CallbackResult

Runs the callback chain without a custom action.

pub fn run_with<F>( &self, target: &mut T, action_name: &str, action: F, ) -> CallbackResult

where F: FnOnce(&mut T) -> CallbackResult,

Runs the callback chain around the provided action.

Trait Implementations

impl<T: Send + Sync + 'static> Debug for CallbackChain<T>

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

Formats the value using the given formatter.