nassredean

module Kernel

  def ai(options = {})
    ap = AwesomePrint::Inspector.new(options)
    awesome = ap.awesome self
    if options[:html]
      awesome = "<pre>#{awesome}</pre>"
      awesome = awesome.html_safe if defined? ActiveSupport
    end
    awesome

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def format(object, type = nil)
  core_class = cast(object, type)
  awesome = if core_class != :self
    send(:"awesome_#{core_class}", object) # Core formatters.
  else
    awesome_self(object, type) # Catch all that falls back to object.inspect.
  end
  awesome
end

nassredean

IRB::Irb.class_eval do
  def output_value
    puts 'cow'
  end
end

nassredean

module IRB
  class Irb
    def output_value
      puts 'cow'
    end
  end
end
'dog'
=> cow

nassredean

# lib/awesome_print/inspector.rb (26)
def irb!
  return unless defined?(IRB)
  unless IRB.version.include?("DietRB")
    IRB::Irb.class_eval do
      def output_value
        ap @context.last_value
      end
    end
    ...

nassredean

class C
  @color1 = 'red'
  puts @color1
end
=> red
=> nil

class C
  @color2 = 'blue'
  puts @color1

nassredean

# case 1
class B
  def method1
    1
  end
end

# case 2
class B
  def method2

nassredean

class A
  @color = 'red'
  puts @color
end
=> red
=> nil

class A
  @color = 'blue'
  puts @color

nassredean

[1, 2, 3].to_s
=> "[1, 2, 3, 4]"

class Array
  def to_s
    '[]'
  end
end

[1, 2, 3].to_s

nassredean

require "prawn"

@pdf = Prawn::Document.new(margin: 0)
@text = "Oh hai text rect. " * 10
@options = { :document => @pdf }
text_box = Prawn::Text::Box.new(@text, @options)

p "cursor before dry run: #{@pdf.cursor}"
p "whats the height before dry run?"
p "....who knows????" if text_box.height == 0