Petruchio was expanding on this in the chatterbox a while back...but he wanted it as part of a grander plan to have polymorphic functions that worked on all data types. e.g. delete should delete entries from arrays and strings, we should be able to push and pop strings, length to work properly on arrays, etc.

So in that sense, it's a desire for the language to be a bit more consistent, rather than an implementation issue.

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Jeremy
I didn't believe in evil until I dated it.