Update a sample code (#2387)

Kernel#inspect does not call #to_s now To follow fd7dc23d28
2019-08-19 18:00:29 +09:00 · 2019-08-19 18:00:29 +09:00 · cda8664471
parent 355acbafde
commit cda8664471
1 changed files with 1 additions and 1 deletions
--- a/sample/list3.rb
+++ b/sample/list3.rb
@ -7,7 +7,7 @@ class Point
    self
  end

-  def to_s
+  def inspect
    sprintf("%d@%d", @x, @y)
  end
 end