Merge pull request #647 from kachick/implement-integer-even,odd

Implement Integer#even?, Integer#odd?
topazproject · Apr 20, 2013 · 58e722c · 58e722c
2 parents dece7d4 + 691aaf5
commit 58e722c
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diff --git a/lib-topaz/integer.rb b/lib-topaz/integer.rb
@@ -26,4 +26,12 @@ def next
   def pred
     return self - 1
   end
+
+  def even?
+    (self % 2).zero?
+  end
+
+  def odd?
+    !even?
+  end
 end
diff --git a/spec/tags/core/integer/even_tags.txt b/spec/tags/core/integer/even_tags.txt
diff --git a/spec/tags/core/integer/odd_tags.txt b/spec/tags/core/integer/odd_tags.txt