when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>({
  1. required TResult oauth(
    1. String accessToken,
    2. String idToken
    ),
})

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( String accessToken,  String idToken)  oauth,}) {final _that = this;
switch (_that) {
case OAuthCredentials():
return oauth(_that.accessToken,_that.idToken);}
}