CTFE Status 2

[Stefan Koch via Digitalmars-d]

On Friday, 17 March 2017 at 12:55:22 UTC, Kagamin wrote:
> On Thursday, 16 March 2017 at 14:48:22 UTC, Stefan Koch wrote:
>> As soon as array-length assignment (and therefore expansion) 
>> is working again;
>> You can start writing fast compile-time parsers.
>
> Though for AST one would need unions, like
> struct Node
> {
>   int type;
>   union
>   {
>     StringLiteral str;
>     NumberLiteral num;
>     ExpressionNode expr;
>   }
> }
You might as well replace union with struct here.