On 10/21/2011 09:17 PM, Waldek Hebisch wrote:
I propose to change 'selectfirst' to 'first' and
'selectsecond' to 'second'.
I support it and would even change
makeprod : (A,B) -> %
to
product: (A,B) -> %
since I don't like abbreviations in function names.
Or maybe even
pair: (A,B) -> %
would be a good name.
In fact, thinking about it. I would reserve "Product" for something that
is not just the product of two things.
Anyway, I also question the existence of that domain at all. In fact,
it's something that would be called Cross in Aldor + an extension of
Cross to (conditionally) export all the categories that are given in
Product. Oh, yes, sorry, that wouldn't work since I'd have to iterate
the "has" operator over a tuple (the argument for Cross). So, fixed
length is necessary for Product.
But then, why not calling it Pair and also have Triple and Quadruple as
domains?
Ralf
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