FA-100299 / Dataset deduplication grouping / Member archive
Dataset deduplication: different-length fingerprints appear identical · case 04
different-length fingerprints appear identical.
Case contract
Return Hamming distance for equal-length strings; return None for unequal lengths.
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 |
|---|---|---|---|
| unequal suffix | 0 | null | Failed |
MEMBER ARCHIVE
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