when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. CollectionMode? name,
    2. CollectionMode? phone,
    3. CollectionMode? email,
    4. AddressCollectionMode? address,
    5. bool? attachDefaultsToPaymentMethod,
    )
)

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( CollectionMode? name,  CollectionMode? phone,  CollectionMode? email,  AddressCollectionMode? address,  bool? attachDefaultsToPaymentMethod)  $default,) {final _that = this;
switch (_that) {
case _BillingDetailsCollectionConfiguration():
return $default(_that.name,_that.phone,_that.email,_that.address,_that.attachDefaultsToPaymentMethod);case _:
  throw StateError('Unexpected subclass');

}
}