gimme a function that take only the first two elements of an array passed to it, even though it can take a variable amount of arguments in ruby

You can achieve this by using the splat operator (*) in Ruby to capture any remaining arguments of the array. Here's an example of a function that takes only the first two elements of an array:

main.rb
def take_first_two(*array)
  array[0..1]
end

# Test the function
result = take_first_two(1, 2, 3, 4, 5)
puts result.inspect # Output: [1, 2]
142 chars
8 lines

In this code, the function take_first_two accepts a variable number of arguments using the splat operator (*array). Inside the function, you can access the array elements using the array parameter. By using a range ([0..1]), you can select only the first two elements of the array.

Note that array[0..1] returns a new array containing the first two elements. If you want to return a different data structure (e.g., a string), you can modify the function accordingly.

related categories

gistlibby LogSnag