On 10/05/16 16:33, Gustavo Sverzut Barbieri wrote:
> On Fri, May 6, 2016 at 11:11 PM, Carsten Haitzler <ras...@rasterman.com>
> wrote:
>> On Fri, 6 May 2016 12:36:51 +0100 Tom Hacohen <t...@osg.samsung.com> said:
>> 3. put a partname string just about everywhere into any api that may deal
>> with
>> part names (can be optional in bindings - maybe add static inlines without
>> part
>> param so passing NULL can be avoided with different func name)
>
> One pattern that I started to use on other project is to use macros
> and structures, take this as an example:
>
> struct params {
> const char *part;
> Eo *obj;
> int someval;
> };
>
> int do_call(struct params);
>
> #define call(...) do_call((struct params){__VA_ARGS__})
>
> call(.part = "x", obj = o);
> call(.obj = o);
>
> If you need mandatory parameters, either you split them in the macro,
> or you need more machinery to check those. Like:
>
> #define call(o, ...) do_call((struct params){.obj = o, ## __VA_ARGS__})
>
> call(o, .part = "x");
> call(o);
>
>
While super cool, we don't want to go back to macros, and this syntax is
anyway not portable. Member initialisation is not supported in VC for
all I remember. :( We have this problem with ecore getopt.
--
Tom.
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