Struct OnEvent 

pub struct OnEvent { /* private fields */ }

An event handler that triggers a specified action when a certain event occurs.

Implementations

impl OnEvent

pub fn new<H: 'static>(event: Event, handler: impl HandlerFnOnce<H, ()>) -> Self

Creates a new OnEvent handler for the specified event and action.

Arguments

• event - The event to listen for.
• handler - The action to execute when the event occurs.

pub const fn event(&self) -> Event

Returns the event associated with this handler.

pub fn into_handler(self) -> BoxHandlerOnce<()>

Consumes the OnEvent and returns the boxed handler.

pub fn handle(self, env: &Environment)

Handles the event by invoking the stored handler.

Trait Implementations

impl Debug for OnEvent

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

Formats the value using the given formatter.

impl MetadataKey for OnEvent