map<TResult extends Object?> method

  1. @optionalTypeArgs
TResult map<TResult extends Object?>({
  1. required TResult success(
    1. _Success value
    ),
  2. required TResult failure(
    1. _Failure value
    ),
  3. required TResult info(
    1. _Info value
    ),
  4. required TResult warning(
    1. _Warning 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( _Success value)  success,required TResult Function( _Failure value)  failure,required TResult Function( _Info value)  info,required TResult Function( _Warning value)  warning,}){
final _that = this;
switch (_that) {
case _Success():
return success(_that);case _Failure():
return failure(_that);case _Info():
return info(_that);case _Warning():
return warning(_that);}
}