Upgrade to Pro — share decks privately, control downloads, hide ads and more …

CLI Applications with Crystal

Avatar for Vitor Talaia Vitor Talaia
November 17, 2017
Programming
0
180

CLI Applications with Crystal

Presented at LaraConf Brasil 2017: laraconfbrasil.com.br

Avatar for Vitor Talaia

Vitor Talaia

November 17, 2017
Tweet

More Decks by Vitor Talaia

See All by Vitor Talaia
Accelerated Mobile Pages: The good, the bad and the ugly
Avatar for Vitor Talaia vitortalaia
0
80

Other Decks in Programming

See All in Programming
Combinatorial Interview Problems with Backtracking Solutions - From Imperative Procedural Programming to Declarative Functional Programming - Part 2
Avatar for Philip Schwarz philipschwarz
PRO
0
140
メルカリのリーダビリティチームが取り組む、AI時代のスケーラブルな品質文化
Avatar for osari.k cloverrose
2
460
AI時代を生き抜く 新卒エンジニアの生きる道
Avatar for coconala_engineer coconala_engineer
1
520
GISエンジニアから見たLINKSデータ
Avatar for nokonoko1203 nokonoko1203
0
190
まだ間に合う！Claude Code元年をふりかえる
Avatar for nogu nogu66
5
930
CSC307 Lecture 02
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
1
760
.NET Conf 2025 の興味のあるセッ ションを復習した / dotnet conf 2025 quick recap for backend engineer
Avatar for Tomohisa Takaoka tomohisa
0
110
Cap'n Webについて
Avatar for Yusuke Wada yusukebe
0
160
ZJIT: The Ruby 4 JIT Compiler / Ruby Release 30th Anniversary Party
Avatar for Takashi Kokubun k0kubun
1
320
gunshi
Avatar for kazupon kazupon
1
140
Denoのセキュリティに関する仕組みの紹介 (toranoana.deno #23)
Avatar for uki00a uki00a
0
220
[AI Engineering Summit Tokyo 2025] LLMは計画業務のゲームチェンジャーか？ 最適化業務における活⽤の可能性と限界
Avatar for terry-u16 terryu16
2
290

Featured

See All Featured
Learning to Love Humans: Emotional Interface Design
Avatar for Aarron Walter aarron
274
41k
What’s in a name? Adding method to the madness
Avatar for The Alliance productmarketing
PRO
24
3.9k
The Hidden Cost of Media on the Web [PixelPalooza 2025]
Avatar for Tammy Everts tammyeverts
2
130
Conquering PDFs: document understanding beyond plain text
Avatar for Ines Montani inesmontani
PRO
4
2.2k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
Avatar for Stéphanie Walter stephaniewalter
287
14k
Hiding What from Whom? A Critical Review of the History of Programming languages for Music
Avatar for Tomoya Matsuura tomoyanonymous
1
350
Mobile First: as difficult as doing things right
Avatar for Swwweet swwweet
225
10k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
Avatar for Addy Osmani addyosmani
9
1k
Documentation Writing (for coders)
Avatar for Carmen Chung carmenintech
77
5.2k
Chasing Engaging Ingredients in Design
Avatar for Sebastian Deterding codingconduct
0
97
Raft: Consensus for Rubyists
Avatar for Patrick Van Stee vanstee
141
7.3k
DevOps and Value Stream Thinking: Enabling flow, efficiency and business value
Avatar for Helen Beal helenjbeal
1
78

Transcript

  1. CLI Applications with Crystal

  2. Vitor Talaia Developer at Code Miner 42 @vitortalaia

  3. Why Crystal?

  4. Fast as C, slick as Ruby

  5. Crystal !== Ruby

  6. None
  7. None

  8. LLVM

  9. None

  10. Self Hosted

  11. Statically Typed

  12. None
  13. None

  14. Union Types

  15. None
  16. None
  17. None
  18. None

  19. Overloading

  20. None
  21. None

  22. Great Standard Library

  23. None
  24. None
  25. None
  26. None
  27. None
  28. None
  29. None

  30. CLI tools

  31. Option Parser

  32. None
  33. None
  34. None
  35. None

  36. More complex example

  37. Ergast MRD http://ergast.com/mrd

  38. Admiral.cr https://github.com/jwaldrip/admiral.cr

  39. None
  40. None
  41. None
  42. None
  43. None
  44. None
  45. None
  46. None

  47. Want to see more? https://github.com/vitortalaia/ergast-cl i

  48. Thanks!