lib/totally_lazy/predicates.rb in totally_lazy-0.1.41 vs lib/totally_lazy/predicates.rb in totally_lazy-0.1.42

@@ -9,6 +9,10 @@
   end
 
   def is_right?
     -> (either) { either.is_right? }
   end
+
+  def matches?(regex)
+    ->(value) { !regex.match(value).nil? }
+  end
 end
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