Where can find fix length array memory layout document

[Cym13]

On Tuesday, 18 June 2019 at 13:05:03 UTC, lili wrote:
> On Tuesday, 18 June 2019 at 12:39:45 UTC, Dennis wrote:
>> On Tuesday, 18 June 2019 at 12:26:14 UTC, lili wrote:
>>>     [...]
>>
>> I'm assuming you mean writeln([1].sizeof).
>> An array literal is a slice of a dynamic array (which is 
>> length + pointer, so 2*size_t size).
>> A fixed size array has to be declared as a local / member 
>> variable, and then the content is on the stack:
>>
>> ```
>> int[10] a;
>> writeln(a.sizeof); // 40
>> writeln(a[].sizeof); // 16 on 64-bit or 8 on 32-bit
>> ```
>>
>> To get a static array literal, you can use the library 
>> function staticArray:
>> ```
>> import std.array;
>> writeln([1, 2, 3].staticArray.sizeof); // 12
>> ```
> Thanks a lot, where is a core.stdcpp.array , How to user it?
> I test  but get a error
> ```
>   auto aa = array!(int, 4); //error
> ```

Please don't shorten your code or errors to the point where 
there's hardly any information left: it's hard to help you if we 
can't know what you did and what went wrong.