maybeMap<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeMap<TResult extends Object?>({
  1. TResult serverError(
    1. _ServerError value
    )?,
  2. TResult clientError(
    1. _ClientError value
    )?,
  3. required TResult orElse(),
})

A variant of map that fallback to returning orElse.

It is equivalent to doing:

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

Implementation

@optionalTypeArgs TResult maybeMap<TResult extends Object?>({TResult Function( _ServerError value)?  serverError,TResult Function( _ClientError value)?  clientError,required TResult orElse(),}){
final _that = this;
switch (_that) {
case _ServerError() when serverError != null:
return serverError(_that);case _ClientError() when clientError != null:
return clientError(_that);case _:
  return orElse();

}
}