Appender and CTFE

[kenji hara]

I'm sorry my point was irrelevant.

Kenji

2011/3/4 Steven Schveighoffer <schveiguy at yahoo.com>:
> On Thu, 03 Mar 2011 11:54:58 -0500, kenji hara <k.hara.pg at gmail.com> wrote:
>
>> Even without performance issue, Appender is necessary because it
>> configures output range.
>>
>> Currently std.array.put does not allow empty array as its argument.
>> int[] arr = [];
>> arr.put(1);  // invalid. this does not means appending.
>>
>> Therefore building an array its length is not known beforehand
>> requires Appender.
>
> Performance really is the only issue, the complexity of Appender is not
> necessary for your issue.  One could make a very simple appender struct if
> creating a proper output range was the only problem:
>
> struct appender(T)
> {
>   T[] data;
>   void put(T t) { data ~= t; }
> }
>
> -Steve
>