unserialize variants

[gedaiu]

Thanks for the response... I thought there is a faster way for 
that. I will use the standard lib or i will use json to store 
that into a file.


Thanks,
Bogdan




On Sunday, 1 September 2013 at 16:19:32 UTC, Ali Çehreli wrote:
> On 08/31/2013 10:22 PM, gedaiu wrote:> Hi,
> >
> > i want to save data from an array of variants into a file. I
> saw that
> > to!string format the array content in a nice way...
>
> I don't think the format is sufficient for recreating the array:
>
> import std.variant;
> import std.conv;
> import std.stdio;
>
> struct S
> {
>     int i;
> }
>
> void main()
> {
>     auto a = [ Variant(42), Variant("hello"), Variant(S(5)) ];
>     writeln(a);
> }
>
> Outputs:
>
> [42, hello, S(5)]
>
> We can only guess that 'hello' is a string but what if it were 
> the string "43"? It would look like an int. Also, any type can 
> overload toString; so, S(5) could output itself as e.g. "world".
>
> > There is a way of
> > converting the resulted string back to an array of varianta?
>
> This requires a serialization module. std.serialization is in 
> review right now:
>
>   
> http://forum.dlang.org/post/hsnmxykmoytfvwroikzk@forum.dlang.org
>
> Its author Jacob Carlborg already has a serialization module 
> called Orange:
>
>   https://github.com/jacob-carlborg/orange
>
> >
> > thanks,
> > Bogdan
>
> Ali