Initial commit

Numbers/NumberFactory/Factory.cs

@@ -0,0 +1,33 @@
+using Numbers.NumberFactory.NumberImpls;
+
+namespace Numbers.NumberFactory;
+
+/// <summary>
+///     A factory that creates <see cref="INumbers" /> instances
+/// </summary>
+public static class Factory
+{
+    /// <summary>
+    ///     Creates an <see cref="INumbers" /> instance for the given <paramref name="type" />
+    /// </summary>
+    /// <param name="type">Number factory type to create</param>
+    /// <param name="lowerBound">Lower bound of the number range</param>
+    /// <param name="upperBound">Upper bound of the number range</param>
+    /// <returns>Appropriate instance or null if requested type is unknown</returns>
+    public static INumbers Create(NumberType type, long lowerBound, long upperBound)
+    {
+        // TODO
+        return null!;
+    }
+}
+
+/// <summary>
+///     Possible number factory types
+/// </summary>
+public enum NumberType
+{
+    Even,
+    Odd,
+    Square,
+    Prime
+}