class
PlaceOS::Model::SignageTemplate::ChangeFeed(T)
- PlaceOS::Model::SignageTemplate::ChangeFeed(T)
- Reference
- Object
Overview
forward declare so this file can be required before signage_template.cr
finishes defining the parent class (the attribute layouts : Array(Layout)
line needs Layout resolved at macro-expansion time).
Included Modules
Defined in:
Constructors
Instance Method Summary
-
#next
Returns the next element in this iterator, or
Iterator::Stop::INSTANCEif there are no more elements. -
#on(&block : Change(T) -> Nil)
Method expects a block which will get invoked with
Change(T)parameter on change events received fromEventBus -
#stop
Shortcut for
Iterator::Stop::INSTANCE, to signal that there are no more elements in an iterator.
Constructor Detail
Instance Method Detail
Returns the next element in this iterator, or Iterator::Stop::INSTANCE if there
are no more elements.
Method expects a block which will get invoked with Change(T) parameter on change events received from EventBus
Shortcut for Iterator::Stop::INSTANCE, to signal that there are no more elements in an iterator.