[squeak-dev] Re: [Vm-dev] Re: [Pharo-project] About ~= and ~~
David Ungar
ungar at me.com
Wed Oct 12 20:26:50 UTC 2011
Maybe we need an if: isAnother: method in Object....
foo if: bar isAnother: [...]
:)
- David (from iPad, typos likely)
On Oct 12, 2011, at 1:20 PM, Eliot Miranda <eliot.miranda at gmail.com> wrote:
>
>
>
> On Wed, Oct 12, 2011 at 1:19 PM, Colin Putney <colin at wiresong.com> wrote:
>
> On Wed, Oct 12, 2011 at 1:16 PM, Eliot Miranda <eliot.miranda at gmail.com> wrote:
> > People avoid it because of performance. But I much prefer foo ~~ bar ifTrue: than foo == bar ifFalse:. So I suspect/hope dynamic frequency will grow as people find its not such a performance issue any more.
>
> Well, no accounting for taste, I guess. I'd avoid it because I much
> prefer foo == bar iFalse:
>
> But why, if it doesn't express intent directly? It's cognitively more difficult. You have to negate to get the intent.
>
>
> Colin
>
>
>
> --
> best,
> Eliot
>
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