You're missing a newline on the last line.

I think that you're mistaken—say (as opposed to print) provides it for me.

Furthermore, since you assume the list is constant, that can be simplified to

say for sort { $a <=> $b } 1..10;
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Yes, you're right; I contemplated coming back and updating the node with that, but then I would have had to point out that sort { $a <=> $b } 1..10 could be replaced by just 1..10, and that seemed to be going too far. :-)

And if you wanted to show that stringification doesn't matter

That wasn't my goal, largely because I'm not sure what you mean. UPDATE: Because I was too busy writing one-liners to read the OP's actual question; sorry.