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- Subject: Re: Table dot number?
- From: Gavin Wraith <gavin@...>
- Date: Tue, 01 Nov 2011 10:22:06 GMT
In message <20111101093616.GA3906@rjek.com> you wrote:
> On Tue, Nov 01, 2011 at 09:20:24AM +0000, Gavin Wraith wrote:
> > In message <20111101013730.GA15339@magritte.tecgraf.puc-rio.br> you wrote:
> > > > there's no technical reason why lua couldn't permit ?, !, ???, and so forth.
> > RiscLua uses ?,!,$ in a way that is intended to keep BBC BASIC users
> > happy. They are empty tables with metamethods, so that ?[adr],![adr],$[adr]
> > correspond in usage to BBC BASIC's ?adr,!adr,$adr.
> Ah, but what about BBC BASIC's (incidentally, inspired by BCPL)
> base!offset syntax? (Especially useful for structure manipulation.) I
> think this would actually require their use as operators.
Have a look at http://www.wra1th.plus.com/lua/book/rb10.html#syntactical_poke
for more syntactic jiggery pokery with metatables and exploitation of Lua's higher
order features. Of course, syntax, like cuisine, is often a personal matter -
one cannot expect to please all tastes :).
Gavin Wraith (email@example.com)
Home page: http://www.wra1th.plus.com/