Add region to 9.04
MODIFY
src/Chapter09/Listing09.04.DeclaringRecordClass.cs
src/Chapter09/Listing09.04.DeclaringRecordClass.cs
using AddisonWesley.Michaelis.EssentialCSharp.Chapter09.Listing09_01;
namespace AddisonWesley.Michaelis.EssentialCSharp.Chapter09.Listing09_04;
-
+#region INCLUDE
+// Use the record struct construct to declare a value type
public record class Coordinate(Angle Longitude, Angle Latitude)
+#endregion INCLUDE
{
public Type ExternalEqualityContract => EqualityContract;
}

Add region to 9.04 (#453)