prototype for operator proposal for review
allen at wirfs-brock.com
Wed May 18 15:30:40 PDT 2011
On May 18, 2011, at 3:14 PM, David Herman wrote:
>> I think I like <: about as much as <|. I'm not sure which is going to be more readable across a variety of fonts and sizes. <| does seem to be generally more visually distinct.
> I just have to say that the pipe symbol in many fonts makes for a really hideous triangle. It doesn't line up at all with the top and bottom of the less-than/greater-than symbols.
>> I suspect that to most JS programmers the UML open triangle generalization arrow head is at least as relevant a precedent as any type theory uses. In other words,the relevancy of either isn't very high.
> Yeah. In fact, the analogy to type theory would have us read the <: symbol as a binary predicate, which isn't what's going on here at all.
> So... I don't find either of these lexemes very pleasant, but I don't have any beautiful alternatives to offer.
It's highly variable, but on average they both generally look better in a mono-spaced fonts.
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