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trap("SIGINT") { exit! }

total_width = `stty size`.scan(/\d+/)[1].to_i # terminal width

snowflakes = {}

puts "\033[2J"; # clearing output

loop do
  snowflakes[rand(total_width)] = 0

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en:
  errors:
    messages:
      http_unauthorized: 'Authentication required'
      http_not_found: 'Not found'
      http_bad_request: 'Incorrect or incomplete input'
      http_service_unavailable: 'Service unavailable'
      http_forbidden: 'Forbidden'
      http_unprocessable_entity: 'Unprocessable Entity'
      resource_not_found: 'Resource not found'

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# Workflow:
#
# 1- if the path points to a directory
#   1.1- if the directory isn't in the exclusion list then: count LOC
#   1.2- else: prune directory
# 2- else
#   1.1- if the file extension is whitelisted then: count LOC
#   1.2- else: next

require 'find'

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def hello
  yield
end

hello do
  puts 'hello'
  
  redo
end

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[1,2,3].each do |n|
  puts "Step #{n}"
    
  n += 1 and redo if n < 2
end

# produces:
#
# Step 1
# Step 2

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for i in 1..3 do
  puts "Iteration #{i}"
  
  i += 1 and redo if i == 1
end

# produces
#
# Iteration 1
# Iteration 2

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for i in 1..3 do
  puts "Iteration #{i}"

  redo if i == 1
  
  puts 'After redo'
end

# produces:
#

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module Patch
  @@res = refine(Array) {}

  def self.res; @@res; end
end

p Patch.res            # => #<refinement:Array@Patch>
p Patch.res.class      # => Module
p Patch.res.ancestors  # => [#<refinement:Array@Patch>, Array, ...]

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module TemporaryPatch
  refine Hash do
    def to_s
      ''
    end
  end
end

my_ebook = {
  ebook:   'Ruby Object Model',

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# lib/core_ext/hash.rb

class Hash
  # monkey-patch to temporarily
  # disabling the MyLib#print_config output
  def to_json
    ''
  end
end