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Answers and rating deltas for
How to write optional in SWI-Prolog
| Author | Votes | Δ |
|---|---|---|
| CapelliC | 1 | +0.18 |
| C. M. Sperberg-McQueen | 1 | -0.18 |
Last visited: Sep 14, 2014, 5:07:29 AM