How initialize a static rectangular array (2-d matrix)

[Jarrett Billingsley]

On Thu, Oct 8, 2009 at 10:05 PM, Christopher Wright <dhasenan at gmail.com> wrote:
> Justin Johansson wrote:
>>
>> Jarrett Billingsley Wrote:
>>
>>> On Thu, Oct 8, 2009 at 8:10 PM, Justin Johansson <no at spam.com> wrote:
>>>>
>>>> I almost have to apologize for this question but ..
>>>>
>>>> How does one initialize a static rectangular array (2-d matrix) in D1?
>>>>
>>>> None of the following or other variations that I've tried compile with
>>>> DMD 1.0.
>>>>
>>>> int[2, 3] matrix = [ 1, 2, 3,  4, 5, 6 ];
>>>
>>> ..that's not how you declare a rectangular array type. It's int[3][2].
>>>
>>> int[3][2] matrix = [[1, 2, 3], [4, 5, 6]];
>>
>> Thanks Jarrett.
>>
>> Am I having a blonde day?
>>
>>   int[2,3] m = [ 1, 2, 3 ];   writefln( "m=%s, .sizeof=%d", m, m.sizeof);
>>
>> Compiles and prints:
>>
>> m=[1,2,3], .sizeof=12
>>
>> So what does that declaration, int[2,3], mean?
>>
>> Think this is what threw me initially.
>>
>> Thanks, Justin
>
> 2,3 is a comma expression. Evaluate everything, and return the rightmost
> value.
>

Bahahaha, oh comma exps.