module StrhelpersBriduffy

# File lib/strhelpers_briduffy.rb, line 9
def self.casify(str)
  to_case = [:upcase, :downcase]
  arr = str.split('')
  arr.each_with_index do |letter, i|
    this_case = to_case.sample
    arr [i] = letter.send(this_case)
  end
  arr.join('')
end

# File lib/strhelpers_briduffy.rb, line 5
def self.reversify(str)
  str.split('').reverse.join('')
end

# File lib/strhelpers_briduffy.rb, line 19
def self.spacify(str, spaces = 0)
  spaces.times do 
    str = str.split('').join(' ')
  end
  return str
end