1

Core/Extensions/Linq.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BITKit
+{
+    public static partial class Extensions
+    {
+        public static IEnumerable<TResult> SelectWhere<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TResult> selector)
+        {
+            return source.Where(x => selector.Invoke(x) is not null).Select(x => selector.Invoke(x));
+        }
+    }
+}