map<TResult extends Object?> method

  1. @optionalTypeArgs
TResult map<TResult extends Object?>({
  1. required TResult emoji(
    1. ReactionTypeEmoji value
    ),
  2. required TResult customEmoji(
    1. ReactionTypeCustomEmoji value
    ),
  3. required TResult paid(
    1. ReactionTypePaid value
    ),
})

A switch-like method, using callbacks.

Callbacks receives the raw object, upcasted. It is equivalent to doing:

switch (sealedClass) {
  case final Subclass value:
    return ...;
  case final Subclass2 value:
    return ...;
}

Implementation

@optionalTypeArgs
TResult map<TResult extends Object?>({
  required TResult Function(ReactionTypeEmoji value) emoji,
  required TResult Function(ReactionTypeCustomEmoji value) customEmoji,
  required TResult Function(ReactionTypePaid value) paid,
}) {
  final _that = this;
  switch (_that) {
    case ReactionTypeEmoji():
      return emoji(_that);
    case ReactionTypeCustomEmoji():
      return customEmoji(_that);
    case ReactionTypePaid():
      return paid(_that);
  }
}