Re: [Proposal] .name global indexing (Was: Re: 'with' statement)

[Andrew <ajc@...>]

On 12/03/16 17:02, Rena wrote:
> On Mar 12, 2016 9:57 AM, "Andrew Cannon" <ajc@gmx.net <mailto: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
> <mailto: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.
> 

ok, bad example! - consider:

func( { a = x1 * x2; b = _.a + 1} )

-a