public static bool TryTakeUntil <T>(this IDropPoint <T> dropPoint, Predicate <T> check, ICollection <T> trail)
{
if (check == null)
{
throw new ArgumentNullException("check");
}
if (dropPoint == null)
{
throw new ArgumentNullException("dropPoint");
}
if (trail == null)
{
throw new ArgumentNullException("trail");
}
T item;
back:
if (dropPoint.TryTake(out item))
{
if (check(item))
{
return(true);
}
trail.Add(item);
goto back;
}
return(false);
}
public static bool TryTakeUntil <T>(this IDropPoint <T> dropPoint, Predicate <T> check, out T item)
{
if (check == null)
{
throw new ArgumentNullException("check");
}
if (dropPoint == null)
{
throw new ArgumentNullException("dropPoint");
}
back:
if (dropPoint.TryTake(out item))
{
if (check(item))
{
return(true);
}
else
{
goto back;
}
}
else
{
return(false);
}
}
public static bool TryTakeAndIgnore <T>(this IDropPoint <T> dropPoint)
{
if (dropPoint == null)
{
throw new ArgumentNullException("dropPoint");
}
T item;
return(dropPoint.TryTake(out item));
}
public static T TakeAndReturn <T>(this IDropPoint <T> dropPoint)
{
if (dropPoint == null)
{
throw new ArgumentNullException("dropPoint");
}
T item;
if (dropPoint.TryTake(out item))
{
return(item);
}
throw new InvalidOperationException();
}
