From f501dc1897a993b27adeca9a016a8bc881a0e738 Mon Sep 17 00:00:00 2001
From: js6pak <kubastaron@hotmail.com>
Date: Tue, 14 Dec 2021 22:40:12 +0100
Subject: [PATCH] RandomExtensions

---
 Reactor/Extensions/RandomExtensions.cs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Reactor/Extensions/RandomExtensions.cs

diff --git a/Reactor/Extensions/RandomExtensions.cs b/Reactor/Extensions/RandomExtensions.cs
new file mode 100644
index 0000000..fb2a587
--- /dev/null
+++ b/Reactor/Extensions/RandomExtensions.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Reactor.Extensions;
+
+public static class RandomExtensions
+{
+    /// <summary>
+    /// Returns random <typeparamref name="T"/> from <paramref name="input"/> using <paramref name="random"/>
+    /// </summary>
+    public static T? Random<T>(this IEnumerable<T> input, Random random)
+    {
+        var list = input as IList<T> ?? input.ToList();
+        return list.Count == 0 ? default : list[random.Next(0, list.Count)];
+    }
+
+    /// <summary>Returns a random double that is within a specified range.</summary>
+    public static double NextDouble(this Random random, double minValue, double maxValue)
+    {
+        return random.NextDouble() * (maxValue - minValue) + minValue;
+    }
+}