is there a common type?

[Simen Kjaeraas]

On Thu, 17 May 2012 16:28:56 +0200, Christian Köstlin  
<christian.koestlin at gmail.com> wrote:

> On 5/15/12 19:44 , H. S. Teoh wrote:
>> On Tue, May 15, 2012 at 07:29:38PM +0200, Christian Köstlin wrote:
>>> for [1, 2, 3] and iota(2, 10)?
>> [...]
>>
>> What are you trying to accomplish?
>>
>>
>> T
>>
> actually i just want to do some commandline parsing with default-values  
> like this:
> int main(string[] args) {
>    auto h = [1, 2, 3];
>    if (args.length > 1) {
>      h = iota(1, args[1].to!(int));
>    }
>    do_something_with(h);
>    return 0;
> }

In that case, you should probably replace
   h = iota(1, args[1].to!(int));
with
   h = iota(1, args[1].to!(int)).array();
(assuming 2.059)
or
   h = array(iota(1, args[1].to!(int)));