Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Intro to Ruby 2.0
Search
Matt Aimonetti
March 07, 2013
Programming
7
710
Intro to Ruby 2.0
Matt Aimonetti introduces Ruby 2.0 at SDRuby in Febr 2013.
Matt Aimonetti
March 07, 2013
Tweet
Share
More Decks by Matt Aimonetti
See All by Matt Aimonetti
Designing a generic audio API
matt_aimonetti
0
76
Applied concurrency in Go
matt_aimonetti
5
6.2k
Understanding & Sharing Rails sessions
matt_aimonetti
1
1k
3 secrets to build web APIs in Go
matt_aimonetti
6
920
Go at Splice - Go SummerFest
matt_aimonetti
0
1.5k
Wicked Bad Ruby
matt_aimonetti
3
3.4k
Ruby vs. The World
matt_aimonetti
20
5.5k
mmmm..mruby everywhere & revisiting Ruby
matt_aimonetti
9
4.8k
Tower of Babel: A tour of programming languages
matt_aimonetti
28
10k
Other Decks in Programming
See All in Programming
Zero Waste, Radical Magic, and Italian Graft – Quarkus Efficiency Secrets
hollycummins
0
230
Anthropic Cookbook のおすすめレシピ
schroneko
7
980
OpenAPIを中心に考えるAPI開発入門 / Introduction to API Development with a Focus on OpenAPI
seike460
PRO
2
170
Kotlin Multiplatform at Stable and Beyond (Android Makers 2024)
zsmb
0
280
大規模UIKitベースアプリへのTCAの段階的導入/gradual-adoption-of-tca-in-a-large-scale-uikit-based-app
takehilo
1
180
MetricKitで予期せぬ終了を検知する話 / Detect unexpected termination with MetricKit
nekowen
1
190
StoreKit2によるiOSのアプリ内課金のリニューアル
kangnux
0
110
GitHub Copilotのススメ
marcy731
1
200
Rubyでたのしむクリエイティブコーディング/Enjoy Creative coding with Ruby
chobishiba
1
180
if constexpr文はテンプレート世界のラムダ式である
faithandbrave
3
650
ゆるい個人開発のススメ
kuroppe1819
10
990
try! Swift Tokyo 初参加報告LT
hinakko2
0
220
Featured
See All Featured
Producing Creativity
orderedlist
PRO
337
39k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
501
140k
Agile that works and the tools we love
rasmusluckow
325
20k
Become a Pro
speakerdeck
PRO
11
4.5k
Designing Experiences People Love
moore
136
23k
Bash Introduction
62gerente
604
210k
ParisWeb 2013: Learning to Love: Crash Course in Emotional UX Design
dotmariusz
104
6.6k
GraphQLとの向き合い方2022年版
quramy
32
12k
In The Pink: A Labor of Love
frogandcode
138
21k
Atom: Resistance is Futile
akmur
259
25k
Imperfection Machines: The Place of Print at Facebook
scottboms
260
12k
Docker and Python
trallard
34
2.7k
Transcript
ruby 2.0 San Diego Ruby - March 2013 - Matt
Aimonetti Wednesday, March 13, 13
Barney Stinson approved Wednesday, March 13, 13
Safe for Human Consumption Wednesday, March 13, 13
horse meat free Wednesday, March 13, 13
Ruby is 20 years old! Wednesday, March 13, 13
what you really need to know Wednesday, March 13, 13
Migration from Ruby 1.9 is trivial Wednesday, March 13, 13
Ruby 1.8 reaches its end of life in June Wednesday,
March 13, 13
Performance improvement Wednesday, March 13, 13
favorite Ruby Wednesday, March 13, 13
less new features Wednesday, March 13, 13
The new REE Wednesday, March 13, 13
Heroku support Wednesday, March 13, 13
Ruby 2.1 scheduled for Xmas 2013 Wednesday, March 13, 13
getting started Wednesday, March 13, 13
rvm rbenv chruby Wednesday, March 13, 13
libyaml (recent) openssl Dependencies you might need to resolve Wednesday,
March 13, 13
new in 2.0 Wednesday, March 13, 13
default code encoding Wednesday, March 13, 13
keyword arguments Wednesday, March 13, 13
# before def create(name, opts={}) opts[:tos] ||= false
opts[:timestamp] ||= Time.now end Wednesday, March 13, 13
# now def create(name, tos: false,
timestamp: Time.now) puts [name, tos, timestamp].inspect end Wednesday, March 13, 13
create("Matt") # -‐> ["Matt", false,
2013-‐03-‐06 16:34:49 -‐0800] create("Matt", timestamp: Time.now -‐ 42) # -‐> ["Matt", false, 2013-‐03-‐06 16:34:07 -‐0800] create("Matt", tos: true, location: "SDRuby") # -‐> unknown keyword: location (ArgumentError) Wednesday, March 13, 13
create("Matt", tos: true, location:
"SDRuby") # -‐> unknown keyword: location (ArgumentError) Wednesday, March 13, 13
# more flexible API def create(name, tos: false,
timestamp: Time.now, **rest) puts [name, tos, timestamp, rest].inspect end Wednesday, March 13, 13
create("Matt") # -‐> ["Matt", false,
2013-‐03-‐06 16:30:29 -‐0800, {}] create("Matt", timestamp: Time.now -‐ 42) # -‐> ["Matt", false, 2013-‐03-‐06 16:29:47 -‐0800, {}] create("Matt", tos: true, location: "SDRuby") # -‐> ["Matt", true, 2013-‐03-‐06 16:30:29 -‐0800, {:location=>"SDRuby"}] Wednesday, March 13, 13
# required keyword param def new(name,
tos: raise("TOS is required"), admin: false) end Wednesday, March 13, 13
new("Matt", tos: false) #-‐> ["Matt", false, false] new("Matt") #-‐> TOS
is required (RuntimeError) Wednesday, March 13, 13
module #prepend Wednesday, March 13, 13
# Not our code class Action def start
"just do it" end end Wednesday, March 13, 13
# The module including our modifying code module RubyIt
def start super + " better with Ruby!" end end Wednesday, March 13, 13
module RubyIt def start super +
" better with Ruby!" end end Wednesday, March 13, 13
class Action prepend RubyIt end p Action.new.start #
-‐> "just do it better with Ruby!" Wednesday, March 13, 13
lazy streams Wednesday, March 13, 13
require 'date' # Print the next 13 Friday the
13th. puts (Date.new(2013)..Date.new(9999)) .lazy .select{|d| d.day == 13 && d.friday?} .first(13) Wednesday, March 13, 13
2013-09-13 2013-12-13 2014-06-13 2015-02-13 2015-03-13 2015-11-13 2016-05-13 2017-01-13 2017-10-13 2018-04-13
2018-07-13 2019-09-13 2019-12-13 Wednesday, March 13, 13
to_h convention Wednesday, March 13, 13
Talk = Struct.new(:title, :speaker) Talk.new("Ruby 2.0", "Matt").to_h # => {:title=>"Ruby
2.0", :speaker=>"Matt"} Wednesday, March 13, 13
%i{foo bar baz} [:foo, :bar, :baz] Wednesday, March 13, 13
tracepoint support Wednesday, March 13, 13
GC/misc optimization Wednesday, March 13, 13
more... Wednesday, March 13, 13
caller_locations caller(start, length) Wednesday, March 13, 13
dtrace support Wednesday, March 13, 13
infamous refinements Wednesday, March 13, 13
Array / Range binary search Wednesday, March 13, 13
Kernel.inspect != Kernel.to_s Wednesday, March 13, 13
String#b "déjà vu".b Wednesday, March 13, 13
Thread. current. thread_variable_set("@foo", 42)
Thread. current. thread_variable_get("@foo") Thread.current.thread_variables Wednesday, March 13, 13
https://github.com/ruby/ ruby/blob/ruby_2_0_0/NEWS Wednesday, March 13, 13
@merbist http://matt.aimonetti.net Wednesday, March 13, 13