[Grace-core] Edited Variable & Constant page

[Kim Bruce]

I would NOT like to use := to initialize constant bindings.  I can go either way with initializing variable fields, though probably prefer :=, as it makes it parallel to regular assignments.

Kim



On Nov 18, 2010, at 11:28 AM, James Noble wrote:

>> I know it is unusual, but I still like the idea of setting fixed bindings with "is", as that sounds more permanent.
>> 
>> const x is 17
> 
> yep - and I like "=" for just the same reason.
> 
> How, then, do you assign, OK not assign: *bind* them in e.g. constructor bodies:
> 
> x is 17
> 
> or back to
> 
> x := 17
> 
> One good thing with EGAL is that (I'm pretty sure)
> if you say "const x = 17" or in fact "const x = e" for *any* e
> 
> it will always be the case that x = 17 (or x = e) no matter how mutable "e" is.
> 
> J