maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. FxPane? currentPane,
    2. List<FxPane> dockPanes,
    3. List<FxPane> drawerPanes,
    4. List<FxPane> endDrawerPanes,
    5. List<FxPane> registry,
    6. List<String> history,
    )?, {
  2. required TResult orElse(),
})

A variant of when that fallback to an orElse callback.

It is equivalent to doing:

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

Implementation

@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( FxPane? currentPane,  List<FxPane> dockPanes,  List<FxPane> drawerPanes,  List<FxPane> endDrawerPanes,  List<FxPane> registry,  List<String> history)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _FxShellState() when $default != null:
return $default(_that.currentPane,_that.dockPanes,_that.drawerPanes,_that.endDrawerPanes,_that.registry,_that.history);case _:
  return orElse();

}
}