public void Forget(Duration duration)
{
foreach (var item in items.Intersecting(duration))
{
item.Value.Dispose();
}
items_measure.Clear(duration);
items_timesigsimple.Clear(duration);
items_clefsymbols.Clear(duration);
}
public static IEnumerable <IDuratedItem <T> > Intersecting_children <T>(
this IDurationField <IDurationField <T> > field,
Duration duration
) =>
field
.Intersecting(duration)
.SelectMany(
child =>
child
.Value
.Intersecting(duration - child.Duration.Start)
.Select(
item =>
new DuratedItem <T> {
Value = item.Value,
Duration = item.Duration + child.Duration.Start
}
)
);
public static bool AnyItemIn <T>(
this IDurationField <T> field,
Duration duration
) =>
field.Intersecting(duration).Any();