Update SelectVsSelectMany sample to .NET 10

csharp-linq/SelectVsSelectMany/SelectVsSelectMany.Tests/SelectManyTests.cs

@@ -80,4 +80,26 @@ public void WhenUsingSelectManyToFlattenTheCollectionAndSubCollections_ThenColle
         Assert.That(detailedListOfEmployees[4], Is.EqualTo("Cedric | Development | Developer"));
         Assert.That(detailedListOfEmployees[5], Is.EqualTo("Monica | BackOffice | HumanResources"));
     }
+
+    [Test]
+    public void WhenProjectingACollectionProperty_ThenSelectNestsAndSelectManyFlattens()
+    {
+        var employeeLists = _listOfDepartments.Select(d => d.Employees);      // IEnumerable<List<Employee>>
+        var employees = _listOfDepartments.SelectMany(d => d.Employees);      // IEnumerable<Employee>
+
+        Assert.That(employeeLists.Count(), Is.EqualTo(3));
+        Assert.That(employees.Count(), Is.EqualTo(6));
+    }
+
+    [Test]
+    public void WhenUsingASecondFromClauseInQuerySyntax_ThenItTranslatesToSelectMany()
+    {
+        var employees = from department in _listOfDepartments
+                        from employee in department.Employees
+                        select employee;
+
+        var flattenedWithSelectMany = _listOfDepartments.SelectMany(department => department.Employees);
+
+        Assert.That(employees, Is.EqualTo(flattenedWithSelectMany));
+    }
 }

csharp-linq/SelectVsSelectMany/SelectVsSelectMany.Tests/SelectVsSelectMany.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net10.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>