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The Maybe Monad in idiomatic Ruby
The Maybe Monad in idiomatic Ruby
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Because NilObject is actually an object, it is possible to add some methods that take some of the pain out of dealing with maybe-nil objects.. My favorite is the andand gem:…
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Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 5:04:57 PM UTC.
No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.
Observed mentions: 2009-09-08 13:39:09 UTC to 2010-07-25 22:50:46 UTC.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| Sep 2009 | 2009-09-01 00:00:00 UTC | 2009-10-01 00:00:00 UTC | 1 | 0 | 1 |
| Oct 2009 | 2009-10-01 00:00:00 UTC | 2009-11-01 00:00:00 UTC | 0 | 0 | 0 |
| Nov 2009 | 2009-11-01 00:00:00 UTC | 2009-12-01 00:00:00 UTC | 0 | 0 | 0 |
| Dec 2009 | 2009-12-01 00:00:00 UTC | 2010-01-01 00:00:00 UTC | 0 | 0 | 0 |
| Jan 2010 | 2010-01-01 00:00:00 UTC | 2010-02-01 00:00:00 UTC | 0 | 0 | 0 |
| Feb 2010 | 2010-02-01 00:00:00 UTC | 2010-03-01 00:00:00 UTC | 0 | 0 | 0 |
| Mar 2010 | 2010-03-01 00:00:00 UTC | 2010-04-01 00:00:00 UTC | 0 | 0 | 0 |
| Apr 2010 | 2010-04-01 00:00:00 UTC | 2010-05-01 00:00:00 UTC | 0 | 0 | 0 |
| May 2010 | 2010-05-01 00:00:00 UTC | 2010-06-01 00:00:00 UTC | 0 | 0 | 0 |
| Jun 2010 | 2010-06-01 00:00:00 UTC | 2010-07-01 00:00:00 UTC | 0 | 0 | 0 |
| Jul 2010 | 2010-07-01 00:00:00 UTC | 2010-08-01 00:00:00 UTC | 1 | 0 | 1 |