FA-100314 / Dataset deduplication grouping / Member archive
Dataset deduplication: final token shingle is omitted · case 04
final token shingle is omitted.
Case contract
Return sorted tuple shingles for every contiguous window of positive width; if input is shorter, return empty.
Why this case matters
This deterministic toy operation makes one dataset equivalence or representative rule explicit.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| last window | [[0, 1], [1, 2], [2, 3], [3, 4]] | [[0, 1], [1, 2], [2, 3], [3, 4], [4, 5]] | Failed |
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