ruby - grade-school

2018-10-24 11:05:34 -04:00 · 2018-10-24 11:05:34 -04:00 · ddf33000c8
commit ddf33000c8
parent da10e318e4
1 changed files with 3 additions and 4 deletions
--- a/ruby/grade-school/grade_school.rb
+++ b/ruby/grade-school/grade_school.rb
@ -1,3 +1,4 @@
+# School class
 class School
  def initialize
    @roster = {}
@ -8,9 +9,7 @@ class School
  end

  def add(name, grade)
-    if @roster[grade].nil?
-      @roster[grade] = []
-    end
+    @roster[grade] ||= []
    @roster[grade].push(name).sort!
  end