Re^2: Why are elements of my array getting deleted?

[chromatic]

Not sure if this will work...

What led you to believe it might? (I think you might say "Because I understand that accessing elements of @_ directly exhibits aliasing behavior." Fortunately, assignment of those elements performs a copy of the value of each element, so the only difference between direct assignment of indexed element and shift is that the latter updates the container—@_— as well.)

[tangent]

What led you to believe it might?

Because, in a similar scenario, this change fixed a mysterious problem I had. I don't have the knowledge to explain why, but it did work.