std.allocator.allocate(0) -> return null or std.allocator.allocate(1)?

[deadalnix via Digitalmars-d]

On Friday, 15 May 2015 at 20:34:13 UTC, Timon Gehr wrote:
>> I do think think this is what makes sense for us:
>>  - We should throw in case of error, not return null.
>
> - Too much overhead, there might be a fall-back installed.
> - Where do you allocate the exception object?

if (fallbackInstalled) return fallbackAllocate();
else throw OhMyGodException();