[Versa] equality

[Uche Ogbuji]

On Mon, 2005-09-26 at 12:46 -0600, Michael Olson wrote:
> the production
> 
> qname '=' expression
> 
> is really ambiguous in our grammar.  In one case, we say (roughly)
> 
> expression :== qname '=' expression
> 
> and in another we say
> 
> keyword-argument :== qname '=' expression
> 
> so the query
> 
> function_call ( foo = bar)
> 
> can always be interpreted as either
> 
> "call the function "function_call" with the keyword argument "foo" set  
> to "bar"
> 
> or
> 
> "call the function "function_call" with a single boolean parameter"
> 
> precedence would not help this case
> 
> I think we need the "==", or something else.  In this case I think "=="  
> strongly maps to other languages and is a very good choice.

Yes.  I can see this.  Oh well.


-- 
Uche Ogbuji                               Fourthought, Inc.
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