public static IEnumerable <T> Create <T>(TryTake <T> tryTake)
{
if (tryTake == null)
{
throw new ArgumentNullException("tryTake");
}
T item;
while (tryTake.Invoke(out item))
{
yield return(item);
}
}
public bool TryTake(out T item)
{
if (_tryTake != null)
{
if (_tryTake.Invoke(out item))
{
return(true);
}
if (_done)
{
Close();
}
return(false);
}
item = default(T);
return(false);
}
public static IEnumerable <TResult> Create <TState, TResult>(TryTake <TState> tryTake, Func <TState, TResult> converter)
{
if (tryTake == null)
{
throw new ArgumentNullException("tryTake");
}
if (converter == null)
{
throw new ArgumentNullException("converter");
}
TState item;
while (tryTake.Invoke(out item))
{
yield return(converter.Invoke(item));
}
}