Beautiful and elegant... it's simplicity like this that always reminds me why I love this language.
But please help me out a little. What is the + operator doing here? I know that @{+pop} is somehow saying the same as @{pop()}, but I'm not sure why. ...And while I'm on the subject, why am I not allowed to simply say @{pop} (besides the fact that I've used a split infinitve)?
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