This seems reasonable enough to me, with the usual caveat that you will lose information if multiple elements share the same value.

I would never use this code in production, though. You mention other solutions using loops and map, but I find the %revhash = reverse %hash idiom more elegant.

In reply to Re: Swapping keys and values in a hash with slices by tomhukins
in thread Swapping keys and values in a hash with slices by pernod

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