call next on ruby loop from external method

Question

in Ruby it\'s easy to tell loop to go to next item

(1..10).each do |a|
  next if a.even?
  puts a
end

result =>

1
3   
5
         


        

Answer 1

Enumerator#next and Enumerator#peek will be good option to goo :

def my_complex_method(e)
  return if e.peek.even? 
  p e.peek
end
enum = (1..5).each
enum.size.times do |a|
  my_complex_method(enum)
  enum.next
end

Output

1
3
5