Array-initialization

[Hendrik Renken]

> "data" is a dynamic array reference, so STRUCT is really just this:
> 
> struct STRUCT
> {
>   size_t length;
>   byte* ptr;
> }


This explains everything. Thanks.


>  So "data" is just a number of elements and a pointer to the first one.
> When you do "new STRUCT(myData)", you're only allocating room for that. 
>  There's no room for array contents  allocated, just the reference.
> 
> If you do writeln(STRUCT.sizeof); it will always say 8 on a 32-bit 
> system, same goes for data.sizeof.
> 
> 


let me modify your example:

> STRUCT foo(byte[] myData)
> {
>      STRUCT s = STRUCT(myData);
        return s;
> }


will the content of s now be copied when it is returned?


 >
 > Your example should probably look like this, as there's no point in heap
 > allocating small structs:
 >

what means small? below how many bytes?