On Mon, Jul 18, 2011 at 1:44 PM, Allen Wirfs-Brock
<[email protected]> wrote:
>> Also, how about |> as opposed to <&, since it is a dual to <| adding
>> own rather than inherited properties?
>
> I'd be a bit concerned about some people getting confused about which
> direction of the "arrow" corresponds to each operation.
I think the arrow-to-operator correspondence would be fairly easy to
remember... "extension arrows point back in space to prototypes which
exist back in time , and forward in space to own properties which will
exist forward in time".
>
> I like the nemonic value of having + or & as part of the operator symbol for
> "extend" but unfortunately <+ can't be used.
One thing to note is that <& would disallow using & as a unary
operator in the future.
Here's another option to consider:
// replace <| with <>
let B = A <> {...}; // looks like a (prototype) chain link
// then +> could make sense
let b = B +> {}; // "adding" pointed to properties.
Thanks,
Sean Eagan
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