Module zng_app::handler

Handler types and macros.

Macros

• app_hn
  Declare a mutable clone-move app event handler.
• app_hn_once
  Declare a clone-move app event handler that is only called once.
• async_app_hn
  Declare an async clone-move app event handler.
• async_app_hn_once
  Declare an async clone-move app event handler that is only called once.
• async_hn
  Declare an async clone-move event handler.
• async_hn_once
  Declare an async clone-move event handler that is only called once.
• hn
  Declare a mutable clone-move event handler.
• hn_once
  Declare a clone-move event handler that is only called once.

Structs

• AppHandlerArgs
  Arguments for a call of AppHandler::event.
• FilterAppHandler
  App handler wrapper that filters the events, only delegating to self when filter returns true.
• FilterWidgetHandler
  Widget handler wrapper that filters the events, only delegating to self when filter returns true.

Traits

• AppHandler
  Represents an event handler in the app context.
• AppWeakHandle
  Represents a weak handle to an AppHandler subscription.
• WidgetHandler
  Represents a handler in a widget context.