Array wrap and splat

gistfile1.rb

def print3(a,b,c)
  puts "a: #{a}, b: #{b}, c:#{c}"
end

a = [1,2,3]
b = Array.new(3, 1)
c = Array.new(3) {|i| i*2}

print3(*a)

require 'active_support/core_ext/array'
e = 1

Array
[*x]
Array.wrap
h, *t