The Maturation of Swift

In 2018, Swift has stretched its wings into a truly widespread language. Join me as we take a look at how mobile apps, servers, functions, and even data science can be written in one language.

Transcript

1. @dokun24
   @mccoyjus
   

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2. @dokun24
   @mccoyjus
   

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3. @dokun24
   @mccoyjus
   

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4. @dokun24
   @mccoyjus
   

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5. @dokun24
   @mccoyjus
   

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6. @dokun24
   @mccoyjus
   

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7. @dokun24
   @mccoyjus
   Objective-C
   

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8. @dokun24
   @mccoyjus
   Node.js
   Objective-C
   

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9. @dokun24
   @mccoyjus
   Java
   Node.js
   Objective-C
   

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10. @dokun24
    @mccoyjus
    Python
    Java
    Node.js
    Objective-C
    

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11. @dokun24
    @mccoyjus
    The History of Swift
    

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12. @dokun24
    @mccoyjus
    The History of Swift
    • June 2014 - Swift is released
    

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13. @dokun24
    @mccoyjus
    The History of Swift
    • June 2014 - Swift is released
    • June 2015 - Swift on Linux is announced
    

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14. @dokun24
    @mccoyjus
    The History of Swift
    • June 2014 - Swift is released
    • June 2015 - Swift on Linux is announced
    • December 2015 - swift.org goes live
    

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15. @dokun24
    @mccoyjus
    The History of Swift
    • June 2014 - Swift is released
    • June 2015 - Swift on Linux is announced
    • December 2015 - swift.org goes live
    • March 2016 - First Linux build available
    

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16. @dokun24
    @mccoyjus
    The History of Swift
    • June 2014 - Swift is released
    • June 2015 - Swift on Linux is announced
    • December 2015 - swift.org goes live
    • March 2016 - First Linux build available
    • June 2016 - Kitura at WWDC
    

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17. @dokun24
    @mccoyjus
    The History of Swift
    • June 2014 - Swift is released
    • June 2015 - Swift on Linux is announced
    • December 2015 - swift.org goes live
    • March 2016 - First Linux build available
    • June 2016 - Kitura at WWDC
    • October 2017 - Kitura 2.0
    

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18. @dokun24
    @mccoyjus
    Python
    Java
    Node.js
    Objective-C
    

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19. @dokun24
    @mccoyjus
    Objective-C
    

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20. @dokun24
    @mccoyjus
    Objective-C’s Place In iOS
    

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21. @dokun24
    @mccoyjus
    Objective-C’s Place In iOS
    • Smalltalk + C
    

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22. @dokun24
    @mccoyjus
    Objective-C’s Place In iOS
    • Smalltalk + C
    • “Easy” interoperability with C++
    

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23. @dokun24
    @mccoyjus
    Objective-C’s Place In iOS
    • Smalltalk + C
    • “Easy” interoperability with C++
    • Created in 1981
    

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24. @dokun24
    @mccoyjus
    Objective-C’s Place In iOS
    • Smalltalk + C
    • “Easy” interoperability with C++
    • Created in 1981
    • Licensed by NeXT in 1988
    

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25. @dokun24
    @mccoyjus
    Objective-C’s Place In iOS
    • Smalltalk + C
    • “Easy” interoperability with C++
    • Created in 1981
    • Licensed by NeXT in 1988
    • GCC extended to support it
    

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26. @dokun24
    @mccoyjus
    Objective-C’s Place In iOS
    

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27. @dokun24
    @mccoyjus
    Objective-C’s Place In iOS
    • Then…Clang and support for LLVM
    

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28. @dokun24
    @mccoyjus
    Objective-C’s Place In iOS
    • Then…Clang and support for LLVM
    • iOS developers’ first choice
    

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29. @dokun24
    @mccoyjus
    Objective-C’s Place In iOS
    • Then…Clang and support for LLVM
    • iOS developers’ first choice
    • Still focused on manual memory management via
    reference counting
    

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30. @dokun24
    @mccoyjus
    2014
    

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31. @dokun24
    @mccoyjus
    2014
    • Craig Federighi announced
    Swift
    

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32. @dokun24
    @mccoyjus
    2014
    • Craig Federighi announced
    Swift
    • A focus on functions as first
    class objects
    

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33. @dokun24
    @mccoyjus
    2014
    • Craig Federighi announced
    Swift
    • A focus on functions as first
    class objects
    • Type-safety, automatic memory
    management
    

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34. @dokun24
    @mccoyjus
    if !NSUserDefaults.standardUserDefaults().boolForKey("copyAndPasteEnabled") {
    NSOperationQueue.mainQueue().addOperationWithBlock { () -> Void in
    UIMenuController.sharedMenuController().setMenuVisible(false, animated: false)
    }
    }
    

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35. @dokun24
    @mccoyjus
    Swift 2
    

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36. @dokun24
    @mccoyjus
    Swift 2
    • Focus on basic language needs
    • try
    • throw
    • catch
    

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37. @dokun24
    @mccoyjus
    Swift 2
    • Focus on basic language needs
    • try
    • throw
    • catch
    • Protocol extensions
    

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38. @dokun24
    @mccoyjus
    Swift 2
    • Focus on basic language needs
    • try
    • throw
    • catch
    • Protocol extensions
    • Open source announcement
    

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39. @dokun24
    @mccoyjus
    Swift 3
    

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40. @dokun24
    @mccoyjus
    Swift 3
    • Focus on stability, ABI (application binary interface)
    

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41. @dokun24
    @mccoyjus
    Swift 3
    • Focus on stability, ABI (application binary interface)
    • The great NS removal
    

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42. @dokun24
    @mccoyjus
    Swift 3
    • Focus on stability, ABI (application binary interface)
    • The great NS removal
    • NSUserDefaults -> UserDefaults
    

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43. @dokun24
    @mccoyjus
    Python
    Java
    Node.js
    Objective-C
    

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44. @dokun24
    @mccoyjus
    Python
    Java
    Node.js
    Swift
    

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45. @dokun24
    @mccoyjus
    Node.js
    

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46. @dokun24
    @mccoyjus
    Node.js
    

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47. @dokun24
    @mccoyjus
    Node.js
    • It’s fine
    

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48. @dokun24
    @mccoyjus
    Node.js
    • It’s fine
    • Accessible to all
    

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49. @dokun24
    @mccoyjus
    Node.js
    • It’s fine
    • Accessible to all
    • Tons more I/O based performance
    

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50. @dokun24
    @mccoyjus
    

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51. @dokun24
    @mccoyjus
    

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52. @dokun24
    @mccoyjus
    

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53. @dokun24
    @mccoyjus
    

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54. @dokun24
    @mccoyjus
    

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55. @dokun24
    @mccoyjus
    

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56. @dokun24
    @mccoyjus
    Kitura - The Swift RESTful API
    Framework
    

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57. @dokun24
    @mccoyjus
    Kitura - The Swift RESTful API
    Framework
    • Written just like Express.js
    

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58. @dokun24
    @mccoyjus
    Kitura - The Swift RESTful API
    Framework
    • Written just like Express.js
    • Works on macOS and Linux
    

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59. @dokun24
    @mccoyjus
    Kitura - The Swift RESTful API
    Framework
    • Written just like Express.js
    • Works on macOS and Linux
    • Front-end templating
    

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60. @dokun24
    @mccoyjus
    Kitura - The Swift RESTful API
    Framework
    • Written just like Express.js
    • Works on macOS and Linux
    • Front-end templating
    • ORM capabilities
    

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61. @dokun24
    @mccoyjus
    Kitura - The Swift RESTful API
    Framework
    • Written just like Express.js
    • Works on macOS and Linux
    • Front-end templating
    • ORM capabilities
    • Client SDK generation
    

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62. @dokun24
    @mccoyjus
    import Kitura
    let router = Router()
    router.get("/") { request, response, next in
    response.send("Hello world")
    next()
    }
    Kitura.addHTTPServer(onPort: 8080, with: router)
    Kitura.run()
    

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63. @dokun24
    @mccoyjus
    Kitura Runs On
    

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64. @dokun24
    @mccoyjus
    Kitura Runs On
    • Cloud Foundry
    

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65. @dokun24
    @mccoyjus
    Kitura Runs On
    • Cloud Foundry
    • Docker
    

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66. @dokun24
    @mccoyjus
    Kitura Runs On
    • Cloud Foundry
    • Docker
    • Kubernetes
    

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67. @dokun24
    @mccoyjus
    Python
    Java
    Node.js
    Swift
    

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68. @dokun24
    @mccoyjus
    Python
    Java
    Swift
    Swift
    

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69. @dokun24
    @mccoyjus
    Java
    

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70. @dokun24
    @mccoyjus
    Cloud Functions / FaaS
    

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71. @dokun24
    @mccoyjus
    Cloud Functions / FaaS
    • AKA Serverless
    

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72. @dokun24
    @mccoyjus
    Cloud Functions / FaaS
    • AKA Serverless
    • Serverless is…just another server
    

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73. @dokun24
    @mccoyjus
    Cloud Functions / FaaS
    • AKA Serverless
    • Serverless is…just another server
    • Focus on your functions
    

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74. @dokun24
    @mccoyjus
    FaaS Languages
    

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75. @dokun24
    @mccoyjus
    FaaS Languages
    • Java
    • Python
    • Node.js
    • Go
    • Ruby
    • Scala
    • Swift
    

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76. @dokun24
    @mccoyjus
    The Key of FaaS
    

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77. @dokun24
    @mccoyjus
    The Key of FaaS
    • Don’t worry about your server
    

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78. @dokun24
    @mccoyjus
    The Key of FaaS
    • Don’t worry about your server
    • Worry about your code
    

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79. @dokun24
    @mccoyjus
    struct Record: Codable {
    var name: String
    var office: String
    }
    enum RecordError: Error {
    case newRecordError
    }
    func main(input: Record, respondWith: (Record?,
    RecordError?) -> Void) {
    let newRecord = Record(name: “David”, office: “IBM”)
    respondWith(newRecord, nil)
    }
    

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80. @dokun24
    @mccoyjus
    Python
    Java
    Swift
    Swift
    

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81. @dokun24
    @mccoyjus
    Python
    Swift
    Swift
    Swift
    

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82. @dokun24
    @mccoyjus
    Python
    

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83. @dokun24
    @mccoyjus
    Python
    

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84. @dokun24
    @mccoyjus
    Python
    • The Data Science Language
    

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85. @dokun24
    @mccoyjus
    Python
    • The Data Science Language
    • Meant for heavy computation
    

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86. @dokun24
    @mccoyjus
    Python
    • The Data Science Language
    • Meant for heavy computation
    • Focused on usability, above all
    

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87. @dokun24
    @mccoyjus
    The Jupyter Project
    

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88. @dokun24
    @mccoyjus
    The Jupyter Project
    • Notebook driven development
    

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89. @dokun24
    @mccoyjus
    The Jupyter Project
    • Notebook driven development
    • Easy to share experiments &
    documentation
    

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90. @dokun24
    @mccoyjus
    The Jupyter Project
    • Notebook driven development
    • Easy to share experiments &
    documentation
    • Portable, web-based
    environment
    

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91. @dokun24
    @mccoyjus
    Watson Studio
    

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92. @dokun24
    @mccoyjus
    Watson Studio
    • Data science and IBM Cloud
    

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93. @dokun24
    @mccoyjus
    Watson Studio
    • Data science and IBM Cloud
    • Democratizes the model
    training process
    

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94. @dokun24
    @mccoyjus
    Watson Studio
    • Data science and IBM Cloud
    • Democratizes the model
    training process
    • Built on open source
    

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95. @dokun24
    @mccoyjus
    Watson Studio
    • Data science and IBM Cloud
    • Democratizes the model
    training process
    • Built on open source
    • No native support for Swift…yet
    

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96. @dokun24
    @mccoyjus
    Swift - Forked
    

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97. @dokun24
    @mccoyjus
    Swift - Forked
    

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98. @dokun24
    @mccoyjus
    Swift - Forked
    

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99. @dokun24
    @mccoyjus
    Swift - Forked
    +
    

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100. @dokun24
     @mccoyjus
     Python
     Swift
     Swift
     Swift
     

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101. @dokun24
     @mccoyjus
     Swift
     Swift
     Swift
     Swift
     

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102. @dokun24
     @mccoyjus
     Demo
     

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103. @dokun24
     @mccoyjus
     

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104. @dokun24
     @mccoyjus
     

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105. @dokun24
     @mccoyjus
     Memory Benchmarking
     

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106. @dokun24
     @mccoyjus
     MB
     0
     175
     350
     525
     700
     Node.js Ruby Python Swift
     Memory Benchmarking
     

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107. @dokun24
     @mccoyjus
     MB
     0
     175
     350
     525
     700
     Node.js Ruby Python Swift
     658.324
     Memory Benchmarking
     

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108. @dokun24
     @mccoyjus
     MB
     0
     175
     350
     525
     700
     Node.js Ruby Python Swift
     511.724
     658.324
     Memory Benchmarking
     

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109. @dokun24
     @mccoyjus
     MB
     0
     175
     350
     525
     700
     Node.js Ruby Python Swift
     280.624
     511.724
     658.324
     Memory Benchmarking
     

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110. @dokun24
     @mccoyjus
     MB
     0
     175
     350
     525
     700
     Node.js Ruby Python Swift
     192.436
     280.624
     511.724
     658.324
     Memory Benchmarking
     

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111. @dokun24
     @mccoyjus
     Speed Benchmarking
     

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112. @dokun24
     @mccoyjus
     Seconds
     0
     25
     50
     75
     100
     Node.js Ruby Python Swift
     Speed Benchmarking
     

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113. @dokun24
     @mccoyjus
     Seconds
     0
     25
     50
     75
     100
     Node.js Ruby Python Swift
     45.41
     Speed Benchmarking
     

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114. @dokun24
     @mccoyjus
     Seconds
     0
     25
     50
     75
     100
     Node.js Ruby Python Swift
     50.97
     45.41
     Speed Benchmarking
     

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115. @dokun24
     @mccoyjus
     Seconds
     0
     25
     50
     75
     100
     Node.js Ruby Python Swift
     93.55
     50.97
     45.41
     Speed Benchmarking
     

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116. @dokun24
     @mccoyjus
     Seconds
     0
     25
     50
     75
     100
     Node.js Ruby Python Swift
     5.05
     93.55
     50.97
     45.41
     Speed Benchmarking
     

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117. @dokun24
     @mccoyjus
     

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118. @dokun24
     @mccoyjus
     Maybe We Should
     

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119. @dokun24
     @mccoyjus
     References
     • https://benchmarksgame-team.pages.debian.net/
     benchmarksgame/performance/binarytrees.html
     • https://console.bluemix.net
     • https://dataplatform.ibm.com
     • https://swift.org
     • https://ibm.biz/iswift4tensorflow
     

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120. @dokun24
     @mccoyjus
     Thank you!!!
     

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