Did in include locking the names for verbs etc?

On Fri, Jan 22, 2010 at 8:51 AM, Roger Hui <[email protected]> wrote:

> > Another thing I'd really like in J (and rookies shouldn't be allowed
> > to ask such things) is something like the C++ "const". A way of
> > locking down the name of a quantity so that it can't be changed during
> > "the run", whatever that is -- at least not without raising an error.
>
> As I recall, at one point in J there was a version
> of the global copula =:: which is "assign once",
> and an error "not reassignable" which is signalled
> on subsequent assignments.  I don't recall why
> that was removed.
>
>
>
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