On May 18, 2011, at 9:47 AM, Allen Wirfs-Brock wrote: > 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.
I will take that bet. UML, ho ho! Maybe enterprise Java heads... > In other words,the relevancy of either isn't very high. Perhaps not, but Ruby's < is relevant to a good-sized cohort. > One might argue that the prototype object is the more general and hence > "smaller" object (the object on the right specializes the prototype by adding > properties). Yes, type narrowness is a dual of object population in JS, if you think of object with properties as an exemplar (prototype, even) of a latent structural type. > In the end, these are just symbols and JS programmer are just going to have > to learn their meaning. Existing conventions, if they exist, and analogous do > impact initial learnability but in the long run I don't know if it makes much > a difference as long as they aren't prone to keyboarding hazards. The precedents matter a bit, even if we try to create a new idiom. The problem is < not | (although doesn't that look too light in Helvetica on either side?). /be _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
