Andrey Antukh 92dd5d9954 🐛 Fix index-of-pred early termination on nil elements
The index-of-pred function used (nil? c) to detect end-of-collection,
which caused premature termination when the collection contained nil
values. Rewrite using (seq coll) / (next s) pattern to correctly
distinguish between nil elements and end-of-sequence.
2026-04-15 11:42:49 +02:00
..