fork download
copy 
  1. puts [1, 2, 3, 4, 5].each_cons(2).all? { |a, b| a + 1 == b }
Success #stdin #stdout 0s 28216KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
true
https://ideone.com/A6a09b
language:
Ruby (ruby 2.5.5)
created:
5 years ago
visibility:
secret

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!