Are there any 64-bit number proposals under consideration?

John Lenz concavelenz at
Tue Nov 17 06:54:48 UTC 2015

so what is needed is a "maximally minimal int64 proposal"?

On Mon, Nov 16, 2015 at 4:49 PM, Waldemar Horwat <waldemar at>

> There have been proposals for 64-bit integers in TC39 for the last 15
> years.  All of them so far have gotten bogged down by one of:
> - extending the scope of the proposal to include value types, general
> operator overloading, etc., after which someone eventually objects to
> something or it becomes deferred to the next version of the standard
> - arguments over implicit/explicit coercions (if f is a regular ECMAScript
> Number and n an int64, what should be the result of n + f?  Think
> carefully.)
> This  is somewhat unfortunate.
>     Waldemar
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