TestCollectiveElementType<E, C extends Collective<E>> typedef

TestCollectiveElementType<E, C extends Collective<E>> = bool Function(E? element, C base, {Function? action, dynamic user})

Function signature for validating elements in a Collective Parameters:

• element: The element being validated
• base: The Collective containing the element
• action: The modifying action being performed (optional)
• user: Optional user context

Implementation

typedef TestCollectiveElementType<E,C extends Collective<E>> = bool Function(E? element, C base, {Function? action, dynamic user});