Pass full arrays to methods in Ruby, and return arrays as well


array = [1, 2, 3, 4]

def returner(array)
  return array
end

array2 = returner(array)

puts array2

1.	Passing Arguments to a Method
2.	The parentheses in the call are optional
3.	Passing Data to Methods with or without parenthesis
4.	Function with two parameters
5.	Method with three parameters
6.	Default Arguments
7.	Call method from parameter
8.	Writing a Method that Accepts a Block
9.	Block as the third parameter
10.	Raise exception based on parameter type
11.	raise ArgumentError

Pass full arrays to methods in Ruby, and return arrays as well : Method Arguments « Method « Ruby