Re: [Unicon-ldif] The intended meaning of :[] when specified with an argument of a procedure, etc

[Jeffery, C. (<jef...@ui...>]

Hi Bruce,


Yes, those grammar rules are intended to allow [] as a default value.  Yes, I will add this to the Unicon book sources, thanks for the observation.


Cheers,

Clint

________________________________
From: Bruce & Breeanna Rennie <br...@dc...>
Sent: Sunday, December 11, 2016 1:27:38 AM
To: uni...@li...
Subject: [Unicon-ldif] The intended meaning of :[] when specified with an argument of a procedure, etc

Good evening Clinton and Jafar,

I am in the process of doing some testing and I have a question related
to the the BNF supplied in the unigram.y file.

In the BNF for arg, the following two lines are specified,

         | IDENT COLON LBRACK RBRACK { $$ := argument($1.s, , , 1) } ;
         | IDENT COLON IDENT COLON LBRACK RBRACK { $$ := argument($1.s,
$3.s, , 1) } ;

What is the intended meaning of these definitions? Is this intended to
mean that the default value for the arg is an empty list? If so, would
the Unicon Book sources be updated to reflect this, please.

regards

Bruce Rennie

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