giles 5b31d935bd HS pick runtime: guard nil inputs so pick first/last/items/match/matches don't hang ...

- hs-pick-first/last/random/items/slice: short-circuit nil or non-list
  (strings flow through unchanged).
- New hs-pick-match / hs-pick-matches wrappers around regex-match /
  regex-find-all, also nil-safe; compiler routes pick-match / pick-matches
  through them. Unblocks 'pick first from null returns null' and
  'pick match from null returns null' which previously looped past
  step_limit.

2026-04-23 17:08:04 +00:00

56 KiB

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