Well, as explained since most instances of `Table` do not have dups, `pop` would at least need a separate overload taking a `var seq`, and the idea came up for `del`, but people decided they preferred to instead just deprecate dup keys.
So, why did this feature not exist for 13 years to relieve client code of loops? Well, it's open source and understaffed. Features rely upon passions of feature adders and a judgement call about how often they are needed. Deletion itself is often unnecessary and did not work right for half of that time (and not working was not noticed!). I would be willing to add these to `adix/lptabz`, though, especially if you wanted to do a PR.
