fork download
copy 
  1. array = %w[a f c e]
  2.  
  3. def find_element_after(element, array)
  4.   index = array.find_index(element)
  5.   array.at(index + 1) if index
  6. end
  7.  
  8. p find_element_after("c", array) # element in the middle
  9. p find_element_after("e", array) # last element
  10. p find_element_after("z", array) # element not present in the array
  11.  
Success #stdin #stdout 0.02s 7452KB
comments ()
stdin
copy 
Standard input is empty
stdout
copy 
"e"
nil
nil
https://ideone.com/E6eZJs
language:
Ruby (ruby 2.5.5)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!