On Sat, Sep 27, 2014 at 11:26:31AM +0000, ponce via Digitalmars-d-learn wrote:
> I'm dabbling with Scheme interpreter and ultimately I would need to
> declare the following types.
>
> --------------
>
> struct Function
> {
> Environment env;
> Atom params;
> Atom body_;
> }
>
> // An atom is either a string, a double, a symbol, a function or a
> // list of atoms
> alias Atom = Algebraic!(string, double, Symbol, Function, This[]);
>
> --------------
>
> These definitions can't work since Function and Atom need each other
> in this recursive definition.
[...]
What about using Atom*[] instead of Atom[]?
T
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