Hi Marc,
Marc Nieper-Wißkirchen writes:
> Am Mi., 14. Nov. 2018 um 20:11 Uhr schrieb Mark H Weaver :
>
> > The `ellipsis?' procedure in psyntax.ss does exactly this, but it
> > isn't available to user code. Re-implementing it is not possible
> > without accessing internal details like the spe
Hi Mark,
>
> > So what we actually need is a procedure of
> > two arguments: `(ellipsis? e ctx)' returns `#t' if the identifier `e'
> > is the current ellipsis in the lexical environment of the identifier
> > `ctx'.
>
> Hmm. I don't actually see a need for the second argument, do you? I
> can't
Hi Marc,
Marc Nieper-Wißkirchen writes:
> > So what we actually need is a procedure of
> > two arguments: `(ellipsis? e ctx)' returns `#t' if the identifier `e'
> > is the current ellipsis in the lexical environment of the identifier
> > `ctx'.
>
> Hmm. I don't actually see a need for the
I would like to alias an identifier in Guile. By this, I mean the
following: Given a bound identifier `x', I want to lexically introduce
another identifier `y' with the same binding as `x' so that `x' and `y'
become `free-identifier=?'.
The following is one use case: I have written a macro `custom
Hi Mark,
> Let's assume we are writing a macro that reimplements syntax (or some
> variation thereof) and which has to check whether identifiers are
> ellipses. For example, the following could be given:
>
> (with-ellipsis e
> (my-syntax a e)
>
> Now, this could
Hi Marc,
Marc Nieper-Wißkirchen writes:
> > Let's assume we are writing a macro that reimplements syntax (or some
> > variation thereof) and which has to check whether identifiers are
> > ellipses. For example, the following could be given:
> >
> > (with-ellipsis e
> > (my-syntax a e)
>
