Yannick Assogba tafsiri

## us-states.json

      
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                tafsiri
                / us-states.json
            
            
              Created
              April 30, 2015 03:23
            
              
                US States GeoJSON
              
          
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## index.html
<html lang="en">
<head>
  <meta charset="utf-8">

  <title>2D Picking with SVG</title>
  <meta name="description" content="">
  <meta name="author" content="Yannick Assogba">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/stats.js/r14/Stats.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.5/dat.gui.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script>

## gist:755245
#fib with memoization
fakeClosure := Object clone
fakeClosure memo := Map clone
fakeClosure fibmemo := method(num,
  #I need this next line when i assign this method to a slot in the
  #outer object (see last line of this gist).
  #Feels like a 'this/self' binding issue. Otherwise i would have expected
  #the memo slot on fakeClosure to be visible here
  memo := fakeClosure memo #not strictly necessary when calling 'fakeClosure fibmemo'
  memo atPut(0 asString, 0)

## gist:762291
#traditional recursive fib
fib := method(num,
  if(num == 0 or num == 1
    , num
    , fib(num-1) + fib(num-2)
  )
)

## gist:762296
#differential inheritance
#making types (objects with a type field)
Shape := Object clone
Shape area := method(width * height)
Shape width := 5
Shape height := 9
Rect := Shape clone
Square := Shape clone
Ellipse := Shape clone

## gist:780712
fakeClosure := Object clone do(
  memo := Map clone
  fibmemo := block(num, #note 'blocks' are lexically scoped
    memo atPut(0 asString, 0)
    memo atPut(1 asString, 1)
    fibhelp := method(num,
      one := memo at((num-1) asString)
      two := memo at((num-2) asString)
      if(one == nil
        , one = fibhelp(num-1,memo)

## gist:780714
#get rid of the object and just use a method as a container
fibmemoclosure := method(num,
  memo := Map clone
  fibmemo := block(num, #note 'blocks' are lexically scoped
    memo atPut(0 asString, 0)
    memo atPut(1 asString, 1)
    fibhelp := method(num,
      one := memo at((num-1) asString)
      two := memo at((num-2) asString)
      if(one == nil

## mixins.io
#Minimal mixins in Io!
Object mix := method(obj,
  #grab all the objects methods and add them to the target
  #the target is the object mixing in the mixin
  mixer := call target
  obj slotNames foreach(slotName,
    if(obj getSlot(slotName) type == "Block"
        , mixer setSlot(slotName, obj getSlot(slotName))
        #ignore properties for the moment
      )

## gist:792866
#Actors
#this code is from day 2
Delay := Object clone
Delay send := method(
  args := call message arguments
  for(i,0, args size - 1, 2,
    delay := doMessage(args at(i))
    msg := args at(i+1)

    wait(delay)

## sleeping_barber.io
#The sleeping barber problem http://en.wikipedia.org/wiki/Sleeping_barber_problem
#Solved with Io actors

Barber := Object clone do(
  sleeping := false

  wakeup := method(
    "Waking Up!" println
    sleeping = false
  )
	<html lang="en">
	<head>
	<meta charset="utf-8">

	<title>2D Picking with SVG</title>
	<meta name="description" content="">
	<meta name="author" content="Yannick Assogba">
	<script src="https://cdnjs.cloudflare.com/ajax/libs/stats.js/r14/Stats.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.5/dat.gui.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script>
	#fib with memoization
	fakeClosure := Object clone
	fakeClosure memo := Map clone
	fakeClosure fibmemo := method(num,
	#I need this next line when i assign this method to a slot in the
	#outer object (see last line of this gist).
	#Feels like a 'this/self' binding issue. Otherwise i would have expected
	#the memo slot on fakeClosure to be visible here
	memo := fakeClosure memo #not strictly necessary when calling 'fakeClosure fibmemo'
	memo atPut(0 asString, 0)
	#traditional recursive fib
	fib := method(num,
	if(num == 0 or num == 1
	, num
	, fib(num-1) + fib(num-2)
	)
	)
	#differential inheritance
	#making types (objects with a type field)
	Shape := Object clone
	Shape area := method(width * height)
	Shape width := 5
	Shape height := 9
	Rect := Shape clone
	Square := Shape clone
	Ellipse := Shape clone
	fakeClosure := Object clone do(
	memo := Map clone
	fibmemo := block(num, #note 'blocks' are lexically scoped
	memo atPut(0 asString, 0)
	memo atPut(1 asString, 1)
	fibhelp := method(num,
	one := memo at((num-1) asString)
	two := memo at((num-2) asString)
	if(one == nil
	, one = fibhelp(num-1,memo)
	#get rid of the object and just use a method as a container
	fibmemoclosure := method(num,
	memo := Map clone
	fibmemo := block(num, #note 'blocks' are lexically scoped
	memo atPut(0 asString, 0)
	memo atPut(1 asString, 1)
	fibhelp := method(num,
	one := memo at((num-1) asString)
	two := memo at((num-2) asString)
	if(one == nil
	#Minimal mixins in Io!
	Object mix := method(obj,
	#grab all the objects methods and add them to the target
	#the target is the object mixing in the mixin
	mixer := call target
	obj slotNames foreach(slotName,
	if(obj getSlot(slotName) type == "Block"
	, mixer setSlot(slotName, obj getSlot(slotName))
	#ignore properties for the moment
	)
	#Actors
	#this code is from day 2
	Delay := Object clone
	Delay send := method(
	args := call message arguments
	for(i,0, args size - 1, 2,
	delay := doMessage(args at(i))
	msg := args at(i+1)

	wait(delay)
	#The sleeping barber problem http://en.wikipedia.org/wiki/Sleeping_barber_problem
	#Solved with Io actors

	Barber := Object clone do(
	sleeping := false

	wakeup := method(
	"Waking Up!" println
	sleeping = false
	)