baseline: OpenMU upstream b5a0961 (fresh source)

src/AttributeSystem/Extensions.cs

@@ -0,0 +1,30 @@
+// <copyright file="Extensions.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.AttributeSystem;
+
+/// <summary>
+/// Common extension methods.
+/// </summary>
+public static class Extensions
+{
+    /// <summary>
+    /// Returns the input operator as string.
+    /// </summary>
+    /// <param name="inputOperator">The input operator.</param>
+    /// <returns>The textual representation of the input operator.</returns>
+    public static string AsString(this InputOperator inputOperator)
+    {
+        return inputOperator switch
+        {
+            InputOperator.Add => "+",
+            InputOperator.Multiply => "*",
+            InputOperator.Exponentiate => "^",
+            InputOperator.ExponentiateByAttribute => "^",
+            InputOperator.Maximum => "<max>",
+            InputOperator.Minimum => "<min>",
+            _ => string.Empty,
+        };
+    }
+}