Re: Keyword Arguments

On Friday, 15 June, 2012 at 3:10 AM, Friedrich Dominicus wrote:
>   
> > That leaves us with the question: Should we be making it easier to implement 
> > bad designs than good ones?
> Isn't it in the end about readability? And shouldn't the intentions be
> visible? Let's takke the sort example
> 
> list(1,3,2) sort(<) or the like 
> or maybe
> list(1,-3,-2,2,50) sort(<) filter (> 0) 
> 
> fine. Whereever do you find such kind of comparison without the stuff
> that is compared? 
> 
> Have anyone ever seen a lonely < in maths? I can't remember having seen
> that. 
Can you ever remember seeing an implementation of a UI (any UI) rendering function in maths? Software lives at the intersection of art and science. Programming is not math.
> So what is more readable and understandable
> 
> the above or 
> 
> list (1,3,2) sort([:a :b| a < b]) filter([:other| other > 0])
the above. 
> 
> Yes i know it's not Io bu I guess you still "understand" it. What
> feel's more natural?
To me, the first form feels more natural; and I started out with Smalltalk even ;) 
> or would you prefer
> 
> comparator := MyComparator on: a and: b
> myFiler := MyFilter compareAgainst: 0.
> 
> list(1,3,2) sort(comparator) filter(myFilter)
Not at all. If I can have it, I prefer the first form. 

Regards,

Jeremy Tregunna