On May-29, Brent 'Dax' Royal-Gordon wrote: > William Coleda wrote: > >=head2 How do I generate a sub call with a variable-length parameter > >list in PIR? > > > >This is currently not trivial. > ... > >=head2 How do I retrieve the contents of a variable-length parameter > >list being passed to me? > > > >The easiest way to do this is to use the C<foldup> opcode to take a > >variable > >number of PMC arguments and wrap them in an C<Array> PMC. > > I may just be an idiot, but why can't someone just write C<flattendown> > (or somesuch) as the complement of C<foldup>?
You mean .flatten_arg? It's not an op, it's a PIR directive, but it sounds like what the question is looking for. (And an op would make it faster.)
