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
プロを目指す人の為のRuby入門を学んでつまずいたところ
Search
yoshihiroUeki
June 27, 2020
1
650
プロを目指す人の為のRuby入門を学んでつまずいたところ
どう理解しようとしたか発表します
yoshihiroUeki
June 27, 2020
Tweet
Share
More Decks by yoshihiroUeki
See All by yoshihiroUeki
GitとGitHubの歴史と人間ドラマ
yoshihiroueki
1
970
Featured
See All Featured
Art, The Web, and Tiny UX
lynnandtonic
303
21k
Thoughts on Productivity
jonyablonski
70
4.9k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
358
30k
4 Signs Your Business is Dying
shpigford
185
22k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
36
2.5k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
140
34k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
507
140k
A Modern Web Designer's Workflow
chriscoyier
697
190k
Rebuilding a faster, lazier Slack
samanthasiow
84
9.2k
Being A Developer After 40
akosma
91
590k
The Language of Interfaces
destraynor
162
25k
Become a Pro
speakerdeck
PRO
29
5.5k
Transcript
ϓϩΛࢦ͢ਓͷͨΊͷ Rubyೖ (νΣϦʔຊ) ΛֶΜͰͭ·͍ͣͨͱ͜Ζ
ࣗݾհ ২ ٛ५ twitter @yoshihiroUeki ϑΟϤϧυϒʔτΩϟϯϓͰ ֶΜͰ·͢
͡Ίʹ
νΣϦʔຊಡΜͰ͍ͯͭ·͍ͣͯຊͱ ʹΒΊͬ͜͢Δࣄ͕͋Γɺ ͜͏Ώ͏ֶͼํΛ͢Εྑ͔ͬͨͳʔͬͱ ࢥͬͨࣄΛൃද͍ͨ͠ͱ͓͍·͢
ൃදͷྲྀΕ ͡Ίʹ ൃදͷྲྀΕͷઆ໌ ͭ·͍ͣͨॴͷઆ໌ ͜͏Ώ͏ֶͼํΛ͢Εྑ͔ͬͨࣄ:ରࡦᶃʙᶉ ·ͱΊ ࠓ͜͜
త νΣϦʔຊΛ͜Ε͔ΒಡΉਓ ࠓಡΜͰΔਓ ͏Ұ෮श͠Α͏ͱ͍ͯ͠Δਓ ಉ͡ॴͰͭ·͍͍ͮͯΔ͔Εͳ͍ͷͰڞ༗ ͠Α͏ͱࢥ͍·ͨ͠
ҙ RubyΛҰ௨ΓֶΜͰ͍Δ͔ͨಘΒ ΕΔࣄগͳ͍͔Ͱ͢
ͭ·͍ͣͨॴ 7ষ 7.4.3 ྫɿɹվࡳػϓϩάϥϜ
ൃදͷεϥΠυʹ͋Δίʔυʹ͍ͭͯ ϓϩΛࢦ͢ਓͷͨΊͷRubyೖͷ7ষɺ 7.4.3ɹྫɿվࡳػϓϩάϥϜͷίʔυΛҾ༻͍ͯ͠·͢ɻ
γφϦΦʁ
ӡ͕Γ͍ͯΔ͔Ͳ͏͔Λผ͢Δ 150ԁͷූΛߪೖ͢Δ കాͰೖ͠ɺࡾࠃͰग़͢Δ ظ͢ΔޮՌ:ग़Ͱ͖ͳ͍
ͦͯࣸ͠ܦ͠·ͨ͠
ຊॻʹ͋Δ γʔέϯεਤΛݟΔ
ࣸܦͨ͠ίʔυͱ γʔέϯεਤ ΈͯΘ͔Βͳ͍
ςετίʔυͰ ΤϥʔͰΔ
Ͳ͏͠Α͏ʙ
͚͕࣌ؒͩա͗Δ
͜͏Ώ͏ֶͼ͔ͨ ͢Εྑ͔ͬͨࣄ
ରࡦᶃ
·ͣຊΛ ࠷ޙ·Ͱ ಡΈΔ
ࣸܦͨ͠ίʔυͷ ޡΓʹؾ͚ͮΔ
ҰΜͰ͍ΔՕॴΛ ΕͯΈΔࣄͰ ؾ͚Δࣄ͕͋Δ
ରࡦᶄ
ࣗͰγʔέϯεਤ Λ͔͍ͯΈΔ
None
গͣͭ͠Πϝʔδ͕ ௫ΜͰ͘Δ
ରࡦᶅ
ίϝϯτ͢Δ
Ҏલ
None
Մಡੑ͋͛ΔͨΊʹ ίϝϯτ߇͚͑ͯͨ Ͳ
ਓʹݟͤͣʹ͕ࣗ ཧղ͢ΔҝͩͬͨΒ ͍͍͔
·ͩश͍ͨͯͷਓ
None
ରࡦᶆ
ෳͷίʔυΛ දࣔͤ͞Δ
Ҏલ
̍ͭ̍ͭ ϑΝΠϧΛ ։͍ͯͨ
None
None
None
Πϝʔδ͕ͭ ͔Ίͳ͍
ෳͷϑΝΠ ϧΛදࣔ
None
ෳදࣔ͢ࣄͰ Ѳ͍͢͠ʂ
ରࡦᶇ
γʔέϯεਤͱ ίʔυΛࢦ͞͠ͳ͕Β ૾্ͷਓʹΛͩ͠ͳ͕ Βઆ໌͢Δ
ࢦΛ͞͠ͳ͕Βઆ໌͢ ΔաఔͰ಄ͷத͕ཧ ͞ΕΔ
Կ͕ཧղͰ͖ͯͳ͍͔ ໌֬ʹͳΔ
ରࡦᶈ
ίʔυΛݱ࣮ੈք ʹӨͤ͞Δ
ྫ͑ͪ͜Βͷ ίʔυ
None
umeda = Gate.new(:umeda) Ͱകా(umeda)ʹվࡳ͕Ͱ͖Δɻ ेࡾ(juso).newͰಉ͡Α͏ʹͰ͖ Δɻ Ticket.newͰ150ԁͷූΛߪೖ ͢Δɻ ͱ͍͏ྲྀΕͰݱ࣮ʹകా͔Βɺ ූΛങͬͯվࡳ௨ͯ͠ɺվࡳΛग़
ΔͱΠϝʔδͯ͠ΈΔɻ
खॻ͖Ͱॻ͍ͨ γʔέϯεਤ
None
ͱ
None
ίʔυΛݟൺͳ͕Β ૾ͯ͠ΈΔͱཧղ ͕ਐΉ
ରࡦऴΘΓ
ͦΕͰཧղᘳͰ ͢Ͷʁ
ͱݴΘΕΔͱࣗ৴ ͳ͍
͚ͲɺςΩετͱʹΒΊͬͯ͜͠ ͍ͨҎલͱൺΕཧղਐΜͩ ͱ͓͍·͢
·ͱΊ
৭ʑͳ͔֯Β ཧղ͢Δͷ େͩͱֶͼ·ͨ͠
ࣗҰਓͩͱ ৭ʑͳ͔֯Βཧղͷํ͢Δൃ ͜͜·Ͱੜ·Εͳ͔͔ͬͨͰ͢
ΞυόΠεΛ͘Εͨ ͕͍ؒͯ͘Εͯ ຊʹײँͰ͢
ऴΘΓ ͝ਗ਼ௌ͋Γ͕ͱ͏ ͍͟͝·ͨ͠