public bool Update(int index, Func <T, T> itemUpdateFactory, Predicate <T> check, out bool isEmpty)
{
if (itemUpdateFactory == null)
{
throw new ArgumentNullException(nameof(check));
}
if (check == null)
{
throw new ArgumentNullException(nameof(check));
}
TNeedle newNeedle = null;
if (_entries.Update(index, ReplacementFactory, ReplacementCheck, out isEmpty))
{
return(true);
}
if (newNeedle != null)
{
Reservoir.DonateNeedle(newNeedle);
}
return(false);
TNeedle ReplacementFactory(TNeedle needle) => newNeedle = Reservoir.GetNeedle(itemUpdateFactory(needle.Value));
bool ReplacementCheck(TNeedle needle) => check(needle.Value);
}
public bool Update(int index, Func<T, T> itemUpdateFactory, Predicate<T> check, out bool isEmpty)
{
TNeedle newNeedle = null;
Func<TNeedle, TNeedle> replacementFactory = needle => newNeedle = NeedleReservoir<T, TNeedle>.GetNeedle(itemUpdateFactory(needle.Value));
Predicate<TNeedle> replacementCheck = needle => check(needle.Value);
if (_entries.Update(index, replacementFactory, replacementCheck, out isEmpty))
{
return true;
}
if (newNeedle != null)
{
}
NeedleReservoir<T, TNeedle>.DonateNeedle(newNeedle);
return false;
}