when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>({
  1. required TResult labels(
    1. Labels data
    ),
  2. required TResult info(
    1. Info data
    ),
  3. required TResult unknown(
    1. Map<String, dynamic> data
    ),
})

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( Labels data)  labels,required TResult Function( Info data)  info,required TResult Function( Map<String, dynamic> data)  unknown,}) {final _that = this;
switch (_that) {
case ULabelSubscribeLabelsMessageLabels():
return labels(_that.data);case ULabelSubscribeLabelsMessageInfo():
return info(_that.data);case ULabelSubscribeLabelsMessageUnknown():
return unknown(_that.data);}
}