> On 17 Jun 2018, at 16:02, Akim Demaille <a...@lrde.epita.fr> wrote:
> Or go for a lighter syntax...
Indeed.
> expr:
> NUM
> | expr <int>{ $$ = 42; } '+' NUM { std::cout << $2 << '\n'; };
> Personally, I prefer the prefix forms, but they don’t blend
> nicely with named references:
>
> expr:
> NUM
> | expr <int>{ $$ = 42; }[val] '+' NUM { std::cout << $val << '\n'; };
This is fact consistent with the order in the other declarations: <type>
<variable> <name>.
> I wish we had chosen a prefix syntax for named references, say
>
> expr:
> NUM
> | expr val={ $<int>$ = 42; } '+' NUM { std::cout << $<int>val << '\n'; };
If the type is in the variable, it implies a runtime variant cast, which one
might want for some reason.
(Just some bystander inputs.)
