when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. String type,
    2. String? description,
    3. @JsonKey.new(name: 'default') int? defaultValue,
    4. int? minimum,
    5. int? maximum,
    6. @JsonKey.new(name: 'enum') List<int>? enumValues,
    7. @JsonKey.new(name: 'const') int? constValue,
    )
)

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?>(TResult Function( String type,  String? description, @JsonKey(name: 'default')  int? defaultValue,  int? minimum,  int? maximum, @JsonKey(name: 'enum')  List<int>? enumValues, @JsonKey(name: 'const')  int? constValue)  $default,) {final _that = this;
switch (_that) {
case _LexInteger():
return $default(_that.type,_that.description,_that.defaultValue,_that.minimum,_that.maximum,_that.enumValues,_that.constValue);case _:
  throw StateError('Unexpected subclass');

}
}