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Programming Crystalの概要

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1. ຋༁͠Α͏ͥ Crystal.tokyo #8 2018.11.2 Masayuki Uchida a.k.a msky
4. https://qiita.com/advent-calendar/2018/crystal
5. ͱ͜ΖͰւ֎Ͱ͸
6. https://pragprog.com/book/crystal/programming-crystal
7. Զ͕ ຋༁ʢ΍ʣΒͶ͹ ͳΒ͵
8. ओͳ಺༰ • Diving Into Crystal • Crystal Foundations • Typing Variables and Controlling the Flow • Organizing Code In Methods and Procs • Using Classes and Structs • Working With Modules • Managing Projects • Advanced Features • Web Frameworks and the Shard Ecosystem
9. Diving Into Crystal • Rubyͱ͜Μͳʹࣅ͍ͯΔɺ͚Ͳͪΐͬͱҧ͏ • ੩తܕ෇͚ͷϏϧυ͢ΔݴޠͳͲ • ύϑΥʔϚϯεͷҧ͍ͱ͔ •
10. Diving Into Crystalଓ͖ • Sinatra΍KemalͱͷύϑΥʔϚϯεͷൺֱ • ͜Μͳͱ͜ΖͰ࢖͏ͱ͍͍ײ͡ͷྫ • Fast web apps that look and feel like Ruby • Fast Ruby extensions • Backend processing • Web services and microservices • Command-line applications • Data science applications • Games and graphic renderers • Small utility programs • IoT applications
11. Crystal Foundations • νϡʔτϦΞϧͷষ • جຊతͳܕͷઆ໌΍ߏจ
12. Typing Variables and Controlling the Flow • Crystalݻ༗ͷܕม׵ͳͲ • ഑ྻͳͲͱܕ͕ؔ܎͢Δ৔߹ • ܕਪ࿦ • ྫ֎ॲཧͷઆ໌ • Nilableʹ͍ͭͯͷઆ໌
13. Organizing Code In Methods and Procs • ϝιουͱProcͷ࢖͍ํʢͦͷ·· • ܕࢦఆͷ࢓ํͱ͔ɺΦʔόʔϩʔυͷઆ໌
14. Using Classes and Structs • ClassͱStructsʹ͍ͭͯ • ͜ΕΒͷಈ͖ͷҧ͍ͱ༻్ʹ͍ͭͯ
15. ॴײ • ΍΍ݹΊ • ผهͰݱࡏͱͷόʔδϣϯͷҧ͍ʹ͍ͭͯͷ஫ऍ͕͍Δ͔΋ • ͨͩ΍͸Γઆ໌͸ஸೡͳͷͰ຋༁ʢ΍ʣΔՁ஋͸͋Δͱࢥ ΘΕΔ • ࢀՃ͍ͨ͠ਓ͸ • github/msky026