I've written this up as a strawman. It's available at https://github.com/alex-weej/es-reflect-type-proposal
Thanks On 15 May 2015 at 00:37, Alexander Jones <[email protected]> wrote: > I'm sure there will evolve some other nomenclature for that in due course. > From http://www.slideshare.net/BrendanEich/value-objects2 it sounds as if > it would be reasonable to define `Type(x)` to be `Value`, and thus > `Reflect.type(x)` to be `Reflect.types.value`. > > Agree with the Symbol labels. > > > On 14 May 2015 at 18:50, Andrea Giammarchi <[email protected]> > wrote: > >> FWIW, I think whatever contains "type" in modern JS should consider >> `int32`, `float64`, and all TypedArrays plus it would be awesome to have a >> way to define own types. >> >> In any case, if your idea will be implemented, I think it should have >> named Symbols for debugging sake. >> >> ```js >> Symbol('undefined'), >> Symbol('null'), >> Symbol('boolean') >> ``` >> >> This would be at least consistent with current implementations of >> `Symbol.iterator` and friends. >> >> Best Regards >> >> >> >> >> On Thu, May 14, 2015 at 5:29 PM, Alexander Jones <[email protected]> wrote: >> >>> Just an idea, if it doesn't already exist somewhere. >>> >>> Reflect.type(x) would match the spec's Type(x) function, in that it >>> would basically be a better, more convenient typeof, i.e. >>> >>> Reflect.types = { >>> undefined: Symbol(), >>> null: Symbol(), >>> boolean: Symbol(), >>> string: Symbol(), >>> symbol: Symbol(), >>> number: Symbol(), >>> object: Symbol(), >>> } >>> >>> Reflect.type(null) === Reflect.types.null >>> Reflect.type(function() {}) === Reflect.types.object >>> >>> We weren't able to fix typeof null in harmony, but this seems like a >>> good opportunity to introduce something new. Haven't thought about the >>> repercussions of future support for new value types... >>> >>> Any thoughts? >>> >>> _______________________________________________ >>> es-discuss mailing list >>> [email protected] >>> https://mail.mozilla.org/listinfo/es-discuss >>> >>> >> >
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