Listing 9-17 extracted from chapter Fundamental concepts of the language

Listing 9-16<     > Listing 9-18

This listing can be compiled with the command line:
csc.exe /out:Asm2.dll /target:library Example_9_17_to_rename_Asm2.cs
Errors: 0 Warnings: 0

namespace FooIO{ public class Stream{} }