Re: Building identifiers algorithmically

[Richard Shann]

On Sun, 2015-03-22 at 08:01 +0100, David Kastrup wrote:
> "Trevor Daniels" <address@hidden> writes:
> 
> > Now while this works it seems rather clunky, so I'm wondering if there
> > is a more elegant way of doing this.  Symbols look like they might
> > help, but so far I've failed to make anything work.  I've also failed
> > with macros, but that's likely because I don't understand them yet.
> 
> When a function is evaluated, its arguments are read, evaluated, and the
> function is called with the unevaluated

I guess you meant evaluated here???

Richard


>  arguments, and the result of
> that call is used.
> 
> When a macro is evaluated, its arguments are read, the macro is called
> with the unevaluated arguments, and the result of that call is
> evaluated before use.
> 
> It's just a matter of where the evaluation happens.  With a function, it
> is before the call, with a macro, it is after the call.  That's all
> there is to it.
>