FA-46277 / Bounded deques / Member archive
Zip drain consumes an extra right entry · case 02
Zip drain consumes an extra right entry.
Case contract
Consume paired entries from two bounded deques up to a limit, preserving each unmatched suffix. Return pairs, both remainders and pair count.
Why this case matters
Controlled bounded deque implementation model with explicit storage and lifecycle observations.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| 1 | [[[2, 3]], [], [], 1] | [[[2, 3]], [], [4], 1] | Failed |
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