| To: | perl6-language@perl.org |
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| Subject: | Re: Some details of function return captures |
| From: | "John M. Dlugosz" <dhcgnd702@sneakemail.com> |
| Date: | Fri, 08 Aug 2008 18:32:35 -0500 |
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TSa Thomas.Sandlass-at-barco.com |Perl 6| wrote: If such a ReturnCapture could also be preliminary of some kind, then lvalue subs could be lazily resumed whenthe rvalue comes in. Can you elaborate on that? I don't follow. I don't think you need something that fancy. If / produces a Rat, then subsequent assignment coerces the value to a Num, you get the correct result because Rat is exact. Likewise converting to Int would give the same result as int division would have in the first place. And stringifying produces a Str.Also infix:</> needs a lazy item that is collapsed into Int, Num or Rat depending on the constraint of the container it ends up in eventually. An Any gets the Rat. Hmm, and a Str perhaps the two constituting Ints as fraction put into lowest terms? --John |
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