code updated implicit conversion from msdn

Ch11-P4-CustomConversions/Ch11-P4-CustomConversions.csproj

@@ -44,6 +44,7 @@
  </ItemGroup>
  <ItemGroup>
  <Compile Include="Base.cs" />
+ <Compile Include="Digit.cs" />
  <Compile Include="Program.cs" />
  <Compile Include="Properties\AssemblyInfo.cs" />
  <Compile Include="Rectangle.cs" />

Ch11-P4-CustomConversions/Digit.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Ch11_P4_CustomConversions
+{
+ class Digit
+ {
+ public double val;
+ // ...other members
+
+ public Digit(double d) // Consructor
+ {
+ val = d;
+ }
+
+ public static implicit operator double(Digit d)
+ {
+ return d.val;
+ }
+
+ public static implicit operator Digit(double d)
+ {
+ return new Digit(d);
+ }
+
+ //// User-defined conversion from double to Digit
+ //public static implicit operator Digit(double d)
+ //{
+ // return new Digit(d);
+ //}
+ }
+}

Ch11-P4-CustomConversions/Program.cs

@@ -60,12 +60,26 @@ static void Main(string[] args)
 
  #region Defining Implicit Conversion Routines
 
- Square s3 = new Square { Length = 83 };
- // Attempt to make an implicit cast?
- //Rectangle rect2 = s3;
- Rectangle rect2 = (Rectangle)s3;
+ //Square s3 = new Square { Length = 83 };
+ //// Attempt to make an implicit cast?
+ ////Rectangle rect2 = s3;
+ //Rectangle rect2 = (Rectangle)s3;
+
+ //Console.WriteLine(rect2);
+
+ #endregion
+
+ #region Internet Surfing
+
+ // added a digit class
+
+ //Digit dig = new Digit(4);
+ ////double num = dig.val; // it is fine
+ //double num = dig; // it is fine
+
+ //Digit dig2 = 12;
+
 
- Console.WriteLine(rect2);
 
  #endregion
 

Ch11-P4-CustomConversions/obj/Debug/Ch11-P4-CustomConversions.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
-1c6796e2a7b82ca27c61282efcb26c3fe40b1477
+0095dc4b0b1b5e5266c992246e08d0ebe13895e5