when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>({
  1. required TResult model(
    1. ChatCompletionModels value
    ),
  2. required TResult modelId(
    1. String value
    ),
})

A switch-like method, using callbacks.

As opposed to map, this offers destructuring. It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case Subclass2(:final field2):
    return ...;
}

Implementation

@optionalTypeArgs
TResult when<TResult extends Object?>({
  required TResult Function(ChatCompletionModels value) model,
  required TResult Function(String value) modelId,
}) {
  final _that = this;
  switch (_that) {
    case ChatCompletionModelEnumeration():
      return model(_that.value);
    case ChatCompletionModelString():
      return modelId(_that.value);
  }
}