[e-lang] Data-E: Removing fixed literal type set

[Kevin Reid]

On Jun 3, 2009, at 1:03, Kevin Reid wrote:

> The buildLiteral/1 message to Data-E builders is renamed buildAtom/1.
>
> A Data-E builder specifies the kinds of objects it will accept as
> atoms, by a guard which can be retrieved from it. (We need to choose
> the verb for this.)

I hereby choose the verb atomType/0.

Precedent: Collections' keyType/0 and valueType/0.

In Caja-CapTP, the result will be a predicate function rather than a  
guard, until such time as Cajita has an idiomatic guard facility  
(particularly, ejectors are currently missing).

-- 
Kevin Reid                                  <http://switchb.org/kpreid/>