maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. String id,
    2. String? displayName,
    3. String? avatarUrl,
    4. String? bio,
    5. String? email,
    6. UserRole role,
    7. bool active,
    8. Map<String, dynamic>? custom,
    9. UserConfiguration? configuration,
    )?, {
  2. required TResult orElse(),
})

A variant of when that fallback to an orElse callback.

It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case _:
    return orElse();
}

Implementation

@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( String id,  String? displayName,  String? avatarUrl,  String? bio,  String? email,  UserRole role,  bool active,  Map<String, dynamic>? custom,  UserConfiguration? configuration)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _ChatUser() when $default != null:
return $default(_that.id,_that.displayName,_that.avatarUrl,_that.bio,_that.email,_that.role,_that.active,_that.custom,_that.configuration);case _:
  return orElse();

}
}