languages: it's time for change by reg braithwaite

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languages: it's time for change

Published on Nov 20, 2015

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PRESENTATION OUTLINE

IT'S TIME FOR CHANGE

Photo by Shawn Econo

CAVEAT AUDITOR

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I HAVE NO IDEA

What the hell I'm talking about

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GOOD TALKS HAVE A SPINE

Photo by planetc1

I'LL BE HAPPY IF THIS STINGS

Photo by marvicdeguzman

THE INFERNAL CHEEK!

THEN HE SAID THAT PROGRAMMING LANGUAGES WERE FLAWED

Photo by lovelornpoets

WHY AREN'T I HAPPY?

LANGUAGES ARE AMAZING

Photo by mikecogh

I HAVE PROBLEMS, MAN

(IT'S OK IF THIS IMAGE DISTURBS YOU)

Photo by Instant Vantage

MY PROBLEMS

Photo by Henry.

10.

MY LANGUAGES PROVIDE

11.

I'M NOT IMPRESSED

I'VE BEEN PROGRAMMING SINCE 1974

Photo by thienzieyung

12.

THE STATE OF THE ART

STATIC PROOF THAT I NEVER TRY TO ADD AN OBJECT TO A STRING

Photo by stephenphampshire

13.

ONE PROBLEM

I'M THINKING ABOUT JUST

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14.

COUPLING

Photo by Adrian S Jones

15.

Untitled Slide

Photo by Steve Rhodes

16.

A AND B AREN'T COUPLED

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17.

EVENTUALLY

A BREAKS WHEN YOU CHANGE C TO SERVE B

Photo by Hindrik S

18.

WHY CAN'T I CHANGE C WITHOUT BREAKING A?

Photo by somethingstartedcrazy

19.

TIMES HAVE CHANGED

LANGUAGES AREN'T KEEPING UP

Photo by smith_cl9

20.

MOJO?

HOW DID LANGUAGES LOSE THEIR

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21.

THEN & NOW

Photo by Ben_Mabbett

22.

THEN,

IT WAS ABOUT COMPUTER SCIENCE AND LANGUAGES

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23.

/19[5-9][0-9]/ OBSESSIONS

Photo by Stuck in Customs

24.

NOW,

IT'S ABOUT TOOLS AND PRACTICES

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25.

/201[0-3]/ OBSESSIONS

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26.

THE FOCUS IS ON CRAFT

WHY AREN'T LANGUAGES HELPING?

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27.

COMPUTER SCIENCE

VALUES PERFECTION

Photo by ianturton

28.

BUT.

COMPUTER SCIENCE HAS A SERIOUS PROBLEM

Photo by Stuck in Customs

29.

FAIL

THE NOTION OF A STATIC PROGRAM IS FLAWED

Photo by Mamooli loves Winter :)

30.

REALITY:

CODE HAS A TIME DIMENSION

Photo by Yoko ❥ (Paulina)

31.

GITHUB

QUOD ERAT DEMONSTRANDUM

Photo by yukop

32.

DECOUPLING

LANGUAGES MAKE IT POSSIBLE TO DECOUPLE IN SPACE

Photo by Justin.Taylor

33.

WHAT THEY DON'T PROVIDE

LANGUAGES TEACH YOU NOT TO WANT

Photo by brewbooks

34.

NEVERTHELESS

Photo by Andres Rueda

35.

TEMPORAL DECOUPLING

WHAT DO WE WANT?

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36.

NOVEMBER 5TH, 1955

WHEN DO WE WANT IT?

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37.

BECAUSE

PROGRAMS ARE WRITTEN FOR PEOPLE ACTING OVER TIME

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38.

A SPECIFICATION

WE DON'T IMPLEMENT

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39.

TRANSFORMATION QUEUES

WE MANAGE

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40.

WE BUILD ON THE MARGINS

LANGUAGES DON'T SUPPORT US, SO:

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41.

DECOUPLING

PACKAGE TOOLING SUPPORTS DECOUPLING IN TIME

Photo by StephenVelasco

42.

ANOTHER PROBLEM

COMPUTER SCIENCE HAS

Photo by rococohobo

43.

FORMAL

PROGRAMMING ISN'T

Photo by tj.blackwell

44.

EMPIRICAL

PROGRAMMING IS

Photo by Leo Reynolds

45.

WE OBSERVE, NOT PROVE

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46.

TESTS

WE FEAST ON NUTRITIOUS AND TASTY

Photo by gautsch.

47.

ONCE

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48.

NOT WITH THEM

OUR TOOLS WORK AROUND OUR LANGUAGES

Photo by JmZ Florent

49.

LEARN

WE CAN USE THIS OPPORTUNITY TO

Photo by akrabat

50.

LANGUAGES LEAVE OFF

TOOLS BEGIN WHERE

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51.

LANGUAGE IMPROVEMENTS

PACKAGE AND TEST TOOLS TELL US WHERE TO LOOK FOR

Photo by psgreen01

52.

SILLY MAN!

HE THINKS HE HAS AN IDEA

Photo by ElizaC3

53.

TIME, CHANGE, & TESTS

LET'S REIFY

Photo by Tojosan

54.

PLAN?

WHAT'S THE

Photo by Sebastian Niedlich (Grabthar)

55.

PLANS ARE INCONSEQUENTIAL

PLANNING IS ESSENTIAL, HOWEVER

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56.

A SIMPLE PLAN

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57.

ANKOC

A NEW KIND OF COMPONENT

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58.

TEMPORAL DECOUPLING

COMPONENTS ARE VERSIONED

Photo by Bob Owen

59.

TEST SUITES

SPECIFY VERSIONS SEMANTICALLY

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60.

CLONE-TOLERANT

VERSIONS ARE CO-RESIDENT

Photo by Invisible Lens Photography

61.

REIFYING TEST SUITES

A FEW IDEAS

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62.

BUT ALMOST SO

TEST SUITES AREN'T QUITE FIRST CLASS

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63.

BELONGS TO

PRINCIPLE COMPONENT

Photo by Leo Reynolds

64.

COMPONENT

HAS MANY TEST SUITES

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65.

A SUITE TESTS

A COMPONENT AND ITS DEPENDENCIES

Photo by carnifex82

66.

VERSIONED

TEST SUITES ARE ALSO

Photo by Jason Michael

67.

MANY TO MANY

TEST SUITE VERSIONS TO COMPONENT VERSIONS

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68.

THE BIG CHANGE

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69.

DEPENDENCIES

ARE SPECIFIED BY TEST SUITE

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70.

SEVERED

HARD DEPENDENCIES BETWEEN COMPONENTS ARE

Photo by sanbeiji

71.

LOADED & LINKED

COMPONENT VERSION PASSING THE TESTS IS

Photo by EoinGardiner

72.

PASSING TESTS:

PASSES THE TEST SUITE SPEC'D BY DEPENDENT

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73.

DIFFERENT VERSIONS

DIFFERENT COMPONENTS LOAD

Photo by Laurence Vagner

74.

RECAP

Photo by amira_a

75.

WHEN C CHANGES,

NO.

Photo by @yakobusan Jakob Montrasio 孟亚柯

76.

B DEPENDS-ON 'NEW' C

Photo by Wolfgang Staudt

77.

A DEPENDS-ON 'OLD' C

Photo by Matt. Create. (formerly Roads Less Traveled)

78.

A AND B ARE DECOUPLED

Photo by 4nitsirk

79.

I HAVE TRUST

THE DECOUPLING IS EMPIRICALLY VERIFIED

Photo by mariachily

80.

DON'T LET ME QUIT!

YOU CAN HELP

Photo by Waifer X

85.

THANK YOU

HTTP://BRAYTHWAYT.COM

Photo by ajari

reg braithwaite

braythwayt.com

Slide Notes