Vitepress

node_modules/shiki/samples/ruby.sample

@@ -0,0 +1,21 @@
+class LotteryTicket
+
+  NUMERIC_RANGE = 1..25
+
+  attr_reader :picks, :purchased
+
+  def initialize( *picks )
+    if picks.length != 3
+      raise ArgumentError, "three numbers must be picked"
+    elsif picks.uniq.length != 3
+      raise ArgumentError, "the three picks must be different numbers"
+    elsif picks.detect { |p| not NUMERIC_RANGE === p }
+      raise ArgumentError, "the three picks must be numbers between 1 and 25"
+    end
+    @picks = picks
+    @purchased = Time.now
+  end
+
+end
+
+# From https://poignant.guide/book/chapter-5.html