One Way 1.9 Drives Me Nuts

One Way 1.9 Drives Me Nuts | polishing ruby by ryan davis

I raised a fuss when Matz proposed adding the ability to define ! and != on a class. The idea that you can contradict simple logic was befuddling and seemed like a really bad design choice. Despite many of my other proposals getting shot down with “that might confuse a developer” or “that could cause problems in [obscure edgecase]”, this one was defended with “I trust the developer to be smart”.

Full article: http://blog.zenspider.com/blog/2013/01/one-way-1-9-drives...

Tweets

@barock19 » 01 Feb '13, 5pm
How to differ "if !(something true)" and "unless (something true)" #RubyFundamental [link]
@mileszs » 01 Feb '13, 12pm
@jqr Turns out Ruby 1.9+ does have != overloading: [link]
@NatashaTheRobot » 31 Jan '13, 9pm
"if !foo" and "unless foo" are actually not functionally equivalent in #Ruby 1.9... [link]
@davidtoca » 31 Jan '13, 6pm
Do you think "if !foo" and "unless foo" are functionally equivalent in Ruby? in Ruby 1.9,they're not. [link]
@EthanGarofolo » 31 Jan '13, 5pm
[link] When unless a is not the same as if !a. Or, what not to do in Ruby. #ruby @rubygeekdotcom @ozmox
@mvoto » 31 Jan '13, 4pm
Coisas que só o ruby oferece à vc, kkk [link]
@rjkaes » 24 Jan '13, 7pm
One Way 1.9 Drives Me Nuts | polishing ruby by ryan davis [link] (via Instapaper)
@mauriciojr » 24 Jan '13, 4pm
RT @pat_shaughnessy: unless X and if !X are no longer necessarily the same in Ruby 1.9: "One Way 1.9 Drives Me Nuts" [link]
@pat_shaughnessy » 24 Jan '13, 4pm
unless X and if !X are no longer necessarily the same in Ruby 1.9: "One Way 1.9 Drives Me Nuts" [link]
@kejadlen » 24 Jan '13, 2am
RT @seattlerb: One Way 1.9 Drives Me Nuts | polishing ruby by ryan davis - [link]
@seattlerb » 23 Jan '13, 11pm
One Way 1.9 Drives Me Nuts | polishing ruby by ryan davis - [link]
@martynas_margis » 24 Jan '13, 11pm
RT @pat_shaughnessy: unless X and if !X are no longer necessarily the same in Ruby 1.9: "One Way 1.9 Drives Me Nuts" [link]
@whitequark » 24 Jan '13, 7am
RT @seattlerb: One Way 1.9 Drives Me Nuts | polishing ruby by ryan davis - [link]

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