FA-46052 / Bounded deques / Member archive
Self-splice forgets destination displacement caused by removal · case 02
Self-splice forgets destination displacement caused by removal.
Case contract
Move a range within one bounded deque, preserving size and stable element identity. Gaps inside or at either boundary of the range are no-ops.
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 |
|---|---|---|---|
| interior right | [2, 5, 6, 7, 3, 4] | [2, 5, 6, 3, 4, 7] | Failed |
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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
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