cdcooksey

irb(main):001:> why_are_we_here = -> (x) { puts x }
irb(main):002:> why_are_we_here.call("It's worth it.")
It\'s worth it.
=> nil
irb(main):003:> why_are_we_here = -> (x) { why_are_we_here(x) }
irb(main):004:> why_are_we_here.call(nil)

Traceback (most recent call last):
        5: from /usr/bin/irb:23:in `<main>'
4: from /usr/bin/irb:23:in `load'

cdcooksey

def countdown(n)
  return if n.zero? # base case
  puts n
  countdown(n-1)    # getting closer to base case 
end               

countdown(5) # => output: 5 4 3 2 1

cdcooksey

class CharlieBlog extends Blog {
    public function hi() {
        return "Hello, world!";
    }
}

cdcooksey

100.times do
  puts "Hello, world!".red
end

cdcooksey

class Test < BaseTest
  def hi
    "hi"
  end
end

class Test < BaseTest
  def hi
    "hi"
  end