Re: Macros and expressivity

[Bradley Smith <gmane@...>]

Duncan Cross wrote:
> On Jan 16, 2008 10:05 AM, Miles Bader <miles.bader@necel.com> wrote:
> > "Duncan Cross" <duncan.cross@gmail.com> writes:
> > > > I dunno, I don't really see that as a problem -- just say it's exactly
> > > > the same as any unary operator, and binds tightly.  It's no different
> > > > than -3+4, or as somebody else mentioned, fun "a".."b".
> > > fun "a".."b" is invalid, though - the parser won't accept it. The
> > > equivalent would be to only allow a single number parameter.
> > Huh?
> >
> >    $ lua
> >    Lua 5.1.2  Copyright (C) 1994-2007 Lua.org, PUC-Rio
> >    > function x (s) return s .. "*" end
> >    > print (x "a".."b")
> >    a*b

But isn't

> print (x "a".."b")

processed as

> print (x ("a").."b")

not as

> print (x ("a".."b"))

Where do arguments for the function call end?