maybeMap<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeMap<TResult extends Object?>({
  1. TResult string(
    1. DataDisplayBuilderString<T> value
    )?,
  2. TResult custom(
    1. DataDisplayBuilderWidget<T> value
    )?,
  3. required TResult orElse(),
})

A variant of map that fallback to returning orElse.

It is equivalent to doing:

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

Implementation

@optionalTypeArgs TResult maybeMap<TResult extends Object?>({TResult Function( DataDisplayBuilderString<T> value)?  string,TResult Function( DataDisplayBuilderWidget<T> value)?  custom,required TResult orElse(),}){
final _that = this;
switch (_that) {
case DataDisplayBuilderString() when string != null:
return string(_that);case DataDisplayBuilderWidget() when custom != null:
return custom(_that);case _:
  return orElse();

}
}