when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. OAuthFlow? implicit,
    2. OAuthFlow? password,
    3. OAuthFlow? clientCredentials,
    4. OAuthFlow? authorizationCode,
    )
)

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( OAuthFlow? implicit,  OAuthFlow? password,  OAuthFlow? clientCredentials,  OAuthFlow? authorizationCode)  $default,) {final _that = this;
switch (_that) {
case _OAuthFlows():
return $default(_that.implicit,_that.password,_that.clientCredentials,_that.authorizationCode);case _:
  throw StateError('Unexpected subclass');

}
}