lua-users home
lua-l archive

[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index] [Thread Index]


On Mar 12, 2016 9:57 AM, "Andrew Cannon" <ajc@gmx.net> wrote:
>
> On 11/03/16 09:24, Dirk Laurie wrote:
> > 2016-03-10 17:55 GMT+02:00 Coda Highland <chighland@gmail.com>:
> >
> >> At this point you might as well use _.a = 1 and then you no longer
> >> even need a with statement.
> >
> > I use local names consisting of one capital letter instead of _.
> > Idioms like "for _,value in pairs(tbl) do" cultivate a habit that
> > the underscore is used for return values that one does not
> > intend to refer to.
> >
>
> Perhaps this syntax could be extended to allow already initialized table members
> to be used in initialization later members, a feature which I have sometimes missed:
>
> eg:
>
> local t = {
>         a = x1 * x2,
>         b = _.a + 1
> }
>
> The '_' in this case would reference the table currently being built.
>
> Andrew
>
>
I think `b = t.a + 1` would be more natural, but I don't know how doable it is.