array_coercion.rb

one_through_five = *1..5

print one_through_five

#=> [1,2,3,4,5]

array_coercion_2.rb

say= *"Hello"

print say

#=> ["Hello"]

calling_methods.rb

def say(message, *people)
  people.each { |i| puts "#{i}: #{message}"}
end



people = ["Buffy", "Willow", "Xander"]

say("Hi there!", *people)

#=> "Buffy: Hi there!"
#=> "Willow: Hi there!"
#=> "Xander: Hi there!"

calling_methods_2.rb

def add(i,j)
  i + j
end

pair = [6,10]

add(*pair)
#=> 16

flatten_arrays.rb

names = ["Buffy", "Willow"]
more_names = [*names, "Xander", "Angel", "Oz"]
print more_names 

#=> ["Buffy", "Willow", "Xander", "Angel", "Oz"]

method_definitions_1.rb

def say(message, *people)
  people.each { |i| puts "#{i}: #{message}"}
end

say("Let's slay some vampires!", "Buffy", "Willow", "Xander")

#=> "Buffy: Let's slay some vampires!"
#=> "Willow: Let's slay some vampires!"
#=> "Xander: Let's slay some vampires!"

method_definitions_2.rb

def say(*messages, *people)
  people.each do |i|
    messages.each { |j| puts "#{i}: #{j}"}
  end
end

say("Hello", "What's happening?", "Buffy", "Xander")

#=> def say(*messsages, *people)
#                     ^
#=> method_definitions_2.rb:5: syntax error, unexpected keyword_end, expecting end-of-input

multiple_variable_assignment_1.rb

i, j = 50, 75 
i, j = j, i 
puts "#{i}, #{j}"

#= >75, 50

multiple_variable_assignment_2.rb

names = ["Buffy", "Willow", "Xander", "Angel", "Oz"]
first, second = names

puts "#{first}, #{second}"

#=> "Buffy, Willow"

multiple_variable_assignment_3.rb

names = ["Buffy", "Willow", "Xander", "Angel", "Oz"]
first, *second = names

puts "#{first}, #{second}"

#=> "Buffy, ["Willow", "Xander", "Angel", "Oz"]