[fpc-pascal] Dynamic arrays, yet another pitfall

[Sven Barth]

On 09.02.2014 19:10, patspiper wrote:
> On 09/02/14 18:47, Sven Barth wrote:
>> On 09.02.2014 16:34, Flávio Etrusco wrote:
>>>
>>> In other words: dynamic arrays are like AnsiStrings without the
>>> copy-on-write semantics. I'd certainly wish Borland copied the COW
>>> semantics :-/
>>
>> Dynamic arrays have full COW semantics.
>
> It seems not:
>     SetLength(A,10);
>     A[0]:=33;
>     B:=A;
>     A[0]:=31;
>     b[0]:=9;
>     WriteLn(a[0], b[0]); // prints 9 and 9 (fpc 2.6.3)

Ehm yes... seems that I was mistaken a bit by the dynamic array 
implementation. *blush*

Regards,
Sven