Familiar features

• Strings

  • myStr = "This is a string"
    

• Arrays

  • myArray = ['a','b',c,[d,e]]
    

• Hashes
  • hash = { myArray => 'first', 'b' => 'second' }
  • NOTE: in Ruby any object can be a hash key
• Regex

  • myRegex = /^This/
    

• Here-docs