I see! thanks! On Thu, May 27, 2021 at 12:39 AM Alexander Burger <a...@software-lab.de> wrote:
> On Wed, May 26, 2021 at 11:49:57PM -0500, polifemo wrote: > > (prog . '((+ 1 2 3) (+ 4 5 6))) returns the expected value, 15, while > > (apply 'prog '((+ 1 2 3) (+ 4 5 6))) fails with "Address boundary error". > > 'apply' can be used only with functions evaluating their arguments (EXPRs > or > SUBRs). It takes a list of already *evaluated* arguments, and passes these > to > the function. > > 'prog' is an FEXPR (an FSUBR to be exact). It wants to evaluate each > argument by > itself, one by one. > > ☺/ A!ex > > -- > UNSUBSCRIBE: mailto:picolisp@software-lab.de?subject=Unsubscribe >
