True! It will be confusing; || is uber kool :) On Tue, Jun 12, 2012 at 9:37 PM, David Bruant <[email protected]> wrote:
> Le 12/06/2012 18:02, Tab Atkins Jr. a écrit : > > On Tue, Jun 12, 2012 at 7:36 AM, David Bruant<[email protected]> wrote: >> >>> Le 12/06/2012 16:19, Hemanth H.M a écrit : >>> >>> Would it be useful to have something like sum[value] = sum.get(value, 0) >>> + 1 >>> >>> You can always do >>> >>> sum[value] = (sum.get(value) || 0) + 1; >>> >>> I think it's simple enough to justify not having an additional (and >>> potentially confusing) argument, but I'm open to debate. >>> >> The default argument in python's Dict.get doesn't seem confusing, and >> I've used it plenty. (I've also used the more specialized Dict >> variants that obviate it - Counter and DefaultDict.) >> > "sum.get(value) || 0" leaves no ambiguity (assuming you know JavaScript > and falsy values) as to when the value is 0, while for "sum.get(value, 0)", > the implicit part is in the semantics of the function for which you need to > look at the spec, that's what I find more confusing. YMMV. > > David > -- *'I am what I am because of who we all are'* h3manth.com <http://www.h3manth.com> *-- Hemanth HM *
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