Brian J. Cardiff bcardiff

## .gitignore
.crystal

## for.cr
macro for(expr)
  {{raise "invalid syntax. use for e in c." unless expr.args.first.name.stringify == "in"}}
  {{expr.args.first.args.first}}.each do |{{expr.name.id}}|
    {{expr.args.first.block.body}}
  end
end

for e in 1..5 do
  puts e
end

## ast_dump.cr
require "compiler/crystal/**"

class Object
  def dump_inspect(io, level)
    io << "  " * level
    to_s(io)
    io << " :: " << self.class
  end
end

## 00-README.md

      
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                bcardiff
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              August 29, 2015 14:24
            
              
                fsm from a ruby way to a crystal way 
              
          
    This intent to show how Ruby practice can be addapted to Crystal. With a total different under the hood implementation, but keeping some of the greatest aspects.
The focus thou is not to stand on how a fsm should be modeled, or defined by a dsl, BUT how some common Ruby practices might be rethinked to take advantage of Crystal.
As an intermediate step, I sometimes like to think in a more plain type/classes design to have a nice compile time experience, but using macros in crystal to reach that from a nice dsl.
NB: There is consideration to name the examples a language way and not the language way .

  
## keybase.md

      
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                bcardiff
                / keybase.md
            
            
              Created
              August 31, 2015 18:30
            
              
                keybase.md
              
          
    Keybase proof

I hereby claim:

I am bcardiff on github.
I am bcardiff (https://keybase.io/bcardiff) on keybase.
I have a public key whose fingerprint is A2BC 755E D6EE AC60 6C7E  D13D 2BFD 635A 00D0 2045

To claim this, I am signing this object:

  
## repro331-228-2015-09-02.mba
{"tables":[{"name":"Trackers","guid":"bb1c463d-b35f-4fb0-a18b-78fab5f25963","kind":"local","fields":[{"name":"Phone","guid":"abf4aca1-502c-43f6-acad-0f88c33340fc","valid_values":""}],"protocol":["query","update","insert"]}],"message_triggers":[{"name":"track","enabled":true,"message":{"from":"+1-(234)-567-8912","pieces":[{"kind":"text","text":"track","guid":"815fa0f2-cfd7-4863-94d8-92fdb1430cdd"}],"pattern":"(?i-mx:\\A\\s*track\\s*\\Z)"},"kind":"message_trigger","actions":[{"kind":"create_entity","table":"bb1c463d-b35f-4fb0-a18b-78fab5f25963","field":"abf4aca1-502c-43f6-acad-0f88c33340fc","pill":{"kind":"placeholder","guid":"phone_number"}},{"kind":"send_message","message":[{"kind":"text","guid":"you are been tracked"}],"recipient":{"kind":"placeholder","guid":"phone_number"}}]},{"name":"all","enabled":true,"message":{"from":"+1-(234)-567-8912","pieces":[{"kind":"text","text":"all","guid":"0e2be89a-85dc-4eaf-b988-38f88ff0c9aa"},{"kind":"placeholder","text":"lorem ipsum","guid":"f02701b4-d99f-446b-aa90-39291f7

## README.md

      
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              November 17, 2015 01:06
            
              
                p5e1
              
          
    INTRODUCTION TO PROGRAMMING FOR THE VISUAL ARTS WITH P5.JS
Assignment 1: Port an Image to Code

  
## README.md

      
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                / README.md
            
            
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              February 19, 2022 15:13
            
              
                hex with alpha in p5js
              
          
    A Pen by Brian J. Cardiff on CodePen.

  
## mtry.cr
# sample of a macro that flood the method calls with `#try`
# as a POC it does not support methods with arguments
macro mtry(expr)
  {% if expr.is_a?(Call) %}
    mtry({{expr.receiver}}).try(&.{{expr.name}})
  {% else %}
    {{expr}}
  {% end %}
end

## triangles in logo
clearscreen
rt 30
repeat 3 [
  rt 30
  fd 172
  bk 172
  lt 30

  fd 200
  rt 120
	macro for(expr)
	{{raise "invalid syntax. use for e in c." unless expr.args.first.name.stringify == "in"}}
	{{expr.args.first.args.first}}.each do \|{{expr.name.id}}\|
	{{expr.args.first.block.body}}
	end
	end

	for e in 1..5 do
	puts e
	end
	require "compiler/crystal/**"

	class Object
	def dump_inspect(io, level)
	io << " " * level
	to_s(io)
	io << " :: " << self.class
	end
	end
	# sample of a macro that flood the method calls with `#try`
	# as a POC it does not support methods with arguments
	macro mtry(expr)
	{% if expr.is_a?(Call) %}
	mtry({{expr.receiver}}).try(&.{{expr.name}})
	{% else %}
	{{expr}}
	{% end %}
	end
	clearscreen
	rt 30
	repeat 3 [
	rt 30
	fd 172
	bk 172
	lt 30

	fd 200
	rt 120