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Timeline for Is this number triangular?

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May 22, 2017 at 21:43 comment added Dennis @ETHproductions / and \ probably were among the first five quicks to be implemented, predating the idea to cast integer arguments to range.
May 22, 2017 at 20:59 comment added Jonathan Allan ...actually even that does not seem to apply (e.g. this vs this. It seems the quicklink implementation overrides such that the iterable does not make a range even if the dyadic operation defines it to do so for an argument. Pinged Dennis to field this one :)
May 22, 2017 at 20:52 comment added Jonathan Allan I am not 100% sure, but I think it would (at least currently) need to by the dyadic operation being reduced over that would cause a range to be made.
May 22, 2017 at 20:45 comment added ETHproductions I'm surprised cumulative reduce doesn't automatically make a range. Is there a design choice behind this?
May 22, 2017 at 20:44 history edited Jonathan Allan CC BY-SA 3.0
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May 22, 2017 at 20:38 history answered Jonathan Allan CC BY-SA 3.0