TopicPatterns extension
Adds pattern-matching-related methods to Topic.
- on
Methods
-
map<
TResult extends Object?> (TResult $default(_Topic value)) → TResult -
Available on Topic, provided by the TopicPatterns extension
Aswitch-like method, using callbacks. -
mapOrNull<
TResult extends Object?> (TResult? $default(_Topic value)?) → TResult? -
Available on Topic, provided by the TopicPatterns extension
A variant ofmapthat fallback to returningnull. -
maybeMap<
TResult extends Object?> (TResult $default(_Topic value)?, {required TResult orElse()}) → TResult -
Available on Topic, provided by the TopicPatterns extension
A variant ofmapthat fallback to returningorElse. -
maybeWhen<
TResult extends Object?> (TResult $default(String id, String? bookId, String domainId, String? parentTopicId, String title, int depth, int sortOrder, int? pageStart, int? pageEnd, String? curriculumLevelId, List< Topic> children)?, {required TResult orElse()}) → TResult -
Available on Topic, provided by the TopicPatterns extension
A variant ofwhenthat fallback to anorElsecallback. -
when<
TResult extends Object?> (TResult $default(String id, String? bookId, String domainId, String? parentTopicId, String title, int depth, int sortOrder, int? pageStart, int? pageEnd, String? curriculumLevelId, List< Topic> children)) → TResult -
Available on Topic, provided by the TopicPatterns extension
Aswitch-like method, using callbacks. -
whenOrNull<
TResult extends Object?> (TResult? $default(String id, String? bookId, String domainId, String? parentTopicId, String title, int depth, int sortOrder, int? pageStart, int? pageEnd, String? curriculumLevelId, List< Topic> children)?) → TResult? -
Available on Topic, provided by the TopicPatterns extension
A variant ofwhenthat fallback to returningnull