when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>({
  1. required TResult refVariant(
    1. LexRefVariant data
    ),
  2. required TResult object(
    1. LexObject 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( LexRefVariant data)  refVariant,required TResult Function( LexObject data)  object,}) {final _that = this;
switch (_that) {
case ULexXrpcSchemaRefVariant():
return refVariant(_that.data);case ULexXrpcSchemaObject():
return object(_that.data);}
}