when<TResult extends Object?> method

@optionalTypeArgs TResult when<TResult extends Object?>(TResult $default(String kid, String kty, String alg, String? use, String? n, String? e, String? crv, String? x, String? y,))

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 kid,  String kty,  String alg,  String? use,  String? n,  String? e,  String? crv,  String? x,  String? y)  $default,) {final _that = this;
switch (_that) {
case _JwtKey():
return $default(_that.kid,_that.kty,_that.alg,_that.use,_that.n,_that.e,_that.crv,_that.x,_that.y);case _:
  throw StateError('Unexpected subclass');

}
}