map<TResult extends Object?> method

  1. @optionalTypeArgs
TResult map<TResult extends Object?>({
  1. required TResult initial(
    1. _Initial value
    ),
  2. required TResult unauthenticated(
    1. _Unauthenticated value
    ),
  3. required TResult authenticated(
    1. _Authenticated value
    ),
})

A switch-like method, using callbacks.

Callbacks receives the raw object, upcasted. It is equivalent to doing:

switch (sealedClass) {
  case final Subclass value:
    return ...;
  case final Subclass2 value:
    return ...;
}

Implementation

@optionalTypeArgs TResult map<TResult extends Object?>({required TResult Function( _Initial value)  initial,required TResult Function( _Unauthenticated value)  unauthenticated,required TResult Function( _Authenticated value)  authenticated,}){
final _that = this;
switch (_that) {
case _Initial():
return initial(_that);case _Unauthenticated():
return unauthenticated(_that);case _Authenticated():
return authenticated(_that);}
}