Ruby : Parallel Assignment

parallel_assignment.rb

def parallel_assigns
# Parallel Assignment

  puts "Parallel assign a and b"
  a, b = 1, 2

  puts "a is #{a}"
  puts "b is #{b}"

  puts "Initializing c and d"

  c = 1
  d = 5

  puts "c is #{c}"
  puts "d is #{d}"

# Swap Values
  puts "Swapping c and d"
  c, d = d, c

  puts "c is #{c}"
  puts "d is #{d}"

# += operator
  puts "Initializing i"

  i = 10
  puts "i is #{i}"
  puts "Parallel Assign with i+=1 each"
  e, f, g = i+= 1, i+= 1, i+= 1

  puts "i is #{i}"
  puts "e is #{e}"
  puts "f is #{f}"
  puts "g is #{g}"
end

parallel_assigns