private T GetValue(Thread thread)
{
if (Volatile.Read(ref _disposing) == 1)
{
throw new ObjectDisposedException(GetType().FullName);
}
INeedle <T> needle;
if (_slots.TryGetOrAdd(thread, ThreadLocalHelper <T> .RecursionGuardNeedle, out needle))
{
try
{
needle = new ReadOnlyStructNeedle <T>(_valueFactory.Invoke());
}
catch (Exception exception)
{
if (exception != ThreadLocalHelper.RecursionGuardException)
{
needle = new ExceptionStructNeedle <T>(exception);
}
}
_slots.Set(thread, needle);
}
return(needle.Value);
}
TValue IDictionary <ReadOnlyStructNeedle <TKey>, TValue> .this[ReadOnlyStructNeedle <TKey> key]
public TValue this[ReadOnlyStructNeedle <TKey> key] => Dictionary[key];
bool ICollection <ReadOnlyStructNeedle <TKey> > .Remove(ReadOnlyStructNeedle <TKey> item)
{
throw new NotSupportedException();
}
bool ICollection <ReadOnlyStructNeedle <TKey> > .Contains(ReadOnlyStructNeedle <TKey> item)
{
return(_wrapped.Contains(item));
}
void ICollection <ReadOnlyStructNeedle <TKey> > .Add(ReadOnlyStructNeedle <TKey> item)
{
throw new NotSupportedException();
}
