DAdandrewsen·Jul 6, 2013Submission
2 points · Open discussionstyleguide
ruby
HISTORICAL RECORD2012–2015
styleguide / ruby · Not publicly available
ruby
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7Mentions
0Explicit recommenders
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Mentions over time
HN mentions by year7 dated mentions
Observed mentions: 2012-03-21 13:50:54 UTC to 2015-12-27 00:50:17 UTC.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
View mention counts and date ranges
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| 2012 | 2012-01-01 00:00:00 UTC | 2013-01-01 00:00:00 UTC | 2 | 2 | 0 |
| 2013 | 2013-01-01 00:00:00 UTC | 2014-01-01 00:00:00 UTC | 3 | 2 | 1 |
| 2014 | 2014-01-01 00:00:00 UTC | 2015-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2015 | 2015-01-01 00:00:00 UTC | 2016-01-01 00:00:00 UTC | 1 | 0 | 1 |
What Hacker News says
3 sourcesI couldn't trace the origins, but I believe it comes a long way from C. In K&R it was used quite freely in the form of
while ((c = getchar()) != EOF)
In this particular case it's necessary because of operators precedence, although I can't remember whether they used extra parens when it wasn't necessary.
In ruby most style guides, including github's[1], are forked from bbatsov's[2], which had the bullet point about using assignment return value.
[1] https://github.com/styleguide/ruby
[2] https://github.com/bbatsov/ruby-style-guide
In Small Refactorings in Ruby