Re: data type that preserve order

[Andrea Zagli <azagli libero it>]

Il giorno ven 30 ott 2015 19:09:47 CET, Emmanuele Bassi ha scritto:
> Hi;
>
> On 30 October 2015 at 16:43, Andrea Zagli <azagli libero it> wrote:
> > is there a data type, similar to array, that preserve the order on which
> > elements are inserted?
>
> All the array and list types preserve the order of insertion. For
> obvious reasons, GHashTable doesn't.
>
> > for example ghashtable and gptrarray doesn't preserve the order, so when
> > they are traversed (for example with a "for" cicle, regarding gptrarray) the
> > order may be not the same when elements are inserted
>
> GPtrArray preserves the order of insertion — it's an array, after all.
> Why do you think it does not?

it is written on the help

https://developer.gnome.org/glib/stable/glib-Pointer-Arrays.html

"If you remove elements from the array, elements at the end of the  
array are moved into the space previously occupied by the removed  
element. This means that you should not rely on the index of  
particular elements remaining the same."


may be also other data type makes the same thing? i didn't find  
reference about that