Vijay Kumar Agrawal vijayagrawal18

## flatten.rb
def flatten arr
  return [arr] unless arr.is_a? Array

  arr.inject([]) do |flattened, element|
    flattened += flatten(element)
  end
end

## changing_foreign_key_fails_to_update_association.rb
begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  # Activate the gem you are reporting the issue against.
	def flatten arr
	return [arr] unless arr.is_a? Array

	arr.inject([]) do \|flattened, element\|
	flattened += flatten(element)
	end
	end
	begin
	require 'bundler/inline'
	rescue LoadError => e
	$stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
	raise e
	end

	gemfile(true) do
	source 'https://rubygems.org'
	# Activate the gem you are reporting the issue against.