On Sep 30, 2011, at 7:33 PM, Dean Landolt wrote:
>
>
> On Fri, Sep 30, 2011 at 10:13 PM, Axel Rauschmayer <[email protected]> wrote:
> One language feature from JavaScript that I miss are enums. Would it make
> sense to have something similar for ECMAScript, e.g. via
> Lisp-style/Smalltalk-style symbols plus type inference? If yes, has this been
> discussed already? I feel strange when I simulate symbols with strings.
>
>
> ISTM private name objects make a pretty nice stand-in for symbols.
function Enum(...names) {
let e = Object.create();
names.forEach(function(n) {e[n] = Name.create()});
return Object.freeze(e);
}
...
const colors = Enum('red,'blue','green',yellow',orange','purple');
backgournd = colors.red;
foreground = colors.blue;
...
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