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(think)

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Today we’ll discuss the following section from the Ruby Style Guide: Avoid explicit use of the case equality operator ===. As it name implies …

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(think)
The Elements of Style in Ruby #7: The Case Against ===
The Elements of Style in Ruby #6: Attributes Redux
The Elements of Style in Ruby #5: Readability of Long Numeric Literals
RuboCop 0.9 Is Now Patrolling the Streets!
The Elements of Style in Ruby #4: Array#join vs Array#*

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Portable Linting
Column information
Formatter Support
Auto-correction Support
Rails Support
The Road to 1.0

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=== reader ruby it’ style method code accessor i’ case rubocop pretty we’ literals writer @name operator string array argument initialize number attribute features numeric array#* attributes jul guide

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array#join bad 2013 ruby bruce people trivial on twitter point thoughts behaves wayne hearing you’ readability elements bad class behave here’ clarity errors names checks @last something when rails behavior 1 2 3 4 5 case good class regexp end end # @first underscores equality that’ digits defined rule expressions methods @something

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bad class behave here’ clarity errors names checks @last something when rails behavior 1 2 3 4 5 case good class regexp end end # @first underscores equality that’ digits defined rule expressions methods @something let’ meaning name= decimal short mask topic expect 1 2 3 max size feature lots boolean 1 2 attr formatters alias 1st argue positive generally concept copying 1 2 3 4 # defensive warnings column doesn’ 1 2 3 def today control 4th something attr cops single mri alpha this feature idea authentication auto-correction 1 2 # lot totally changed module regular work guess deal join range instance unknown absolutely 1 2 3 4 5 6 # avoid problem don’ the same classes include write magic

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let’ meaning name= decimal short mask topic expect 1 2 3 max size feature lots boolean 1 2 attr formatters alias 1st argue positive generally concept copying 1 2 3 4 # defensive warnings column doesn’ 1 2 3 def today control 4th something attr cops single mri alpha this feature idea authentication auto-correction 1 2 # lot totally changed module regular work guess deal join range instance unknown absolutely 1 2 3 4 5 6 # avoid problem don’ the same classes include write magic spawning mri’ piggybacked prior big processes never ruby -wc unportable longer lint leading to from being syntax wasn’ fast reimplemented mri’ reasonable brings even column report classic next point integer argument jump now you’ diagnostics information all the notion messages pure linting linting this by parser jruby rubinius overloading warning nicer it off reported unreadable base group digits depends separate for numbers binary 0b1111 blog managed folks archives copyright bozhidar dealing overdo our brains burden parsing batsov readable good 100 personally 00 # bad 1 own # convince few of ~250 commits only when fact few people month employed bugs the highlights sincerely m not faster releases substitute realize 2nd - because benefits hope they patrolling ambitious this was finally streets portable pretty much 0 we plan check rails specific operator method major personally pipeline in the release 3 # there’ alternative snippet undoubtedly variables a b without additional context eased be pretty additional support rubocop counter-intuitive 1 2 integer checks i enjoy support lots formatters enhanced optimizations refined favor gory array#* today’ epic changelog a look details performance cryptic use join reasons differently passed require extra work with a summer’ polish 1 2 3 4 5 %w suite excellent extra carry semantic s and clang’ is an highly interpreted models 1 2 3 spec context output default into existence introduced support we’ formatter 2013 rubocop rspec formatter also changed string#% bundled carries prefix count projects shouldn’ right now support under version speculate without an knowledge version this code quality is going support running 1 a love ^ pretty correct problems variable but the automatically stands all… subject coded preferable who’ mutators accessors generate trivial metaprogramming 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 # end end here’ kind of writing magic instead define functions had to abuse were a internally s meant forward to prosper the ruby family talk redux today 10th action 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 # deprecated true # creates something # 8 # can' this attr calling is deprecated multiple pass three note 1 2 3 4 5 6 7 8 9 # it created end end pretty learned 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 # combines end end attr fun part… optional attr created attr’ s see 1 2 3 something string and versions knowing customized regexp define fixnum how these expression decide it’ cool peachy end so also equivalent end for convert discuss explicit === today twitter loading twitter github rss bbatsov name implies implicitly - it’ end ruby confusing yields and outside of its clearer programmers produce goal utmost preferable to and easily digestible tricks 1 2 3 array clever from doing abstain decided inclusion tests extremely common doesn' wtf alternatives mistake i' module return array # times return numerous 9 attr reader given readers literals today’ american july happy improve programs nothing strange unusual 0xcafe 0b1010 numeric literals home archives about colophon menu home archives about colophon google musing roll your own enforce you want writers 1 2 3 4 5 def age= wrapping hope you’ age end this @age fail 10000000000 deviation 2343434343 bit improves huge addition 0101 the 0b1001 1 2 100 000 # lost - we’ nothing’ preceding 100000 as 343 bit 000 deviation separators between discern written quickly digest 0b100101010101 i’ number’ structure rescue appearance dramatic this point @something end same copy simply the default essence the semantics the opposite else alias else boolean simple hand-code with attr predicate to have variable and else end basically portion of like attr think it’ surprise facts a misnomer synonym agenda item the next and writer such methods @something end i’ a mutable object modifications external expose shield defensive copying dup return action def applicable freezing @something end this this def wouldn’ good something i something alias employ personal preference generates pre-update that they final gained

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style ruby

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elements support

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support === case

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=== case rails array#join streets patrolling rubocop array#* auto-correction column literals linting portable formatter attributes avoid explicit guide discuss we’ equality operator redux readability today &hellip name implies numeric