Ch07.md

Chapter 7 Examples

Examples from Chapter 7 (Object Lifetime) of Programming C# 8.0 (O'Reilly).

Garbage Collection

• Example 1. Using and discarding objects
• Example 2. An appallingly inefficient piece of code
• Example 3. Using weak references in a cache
• Example 4. Exercising the weak cache
• Example 5. A small object with a large array
• Example 6. Enabling server GC in a .NET Core application project file
• Example 7. Legacy server GC configuration (for .NET Framework)

Destructors and Finalization

• Example 8. Class with destructor

IDisposable

• Example 9. The IDisposable interface
• Example 10. A using statement
• Example 11. How using statements expand
• Example 12. A using declaration
• Example 13. Stacking using statements
• Example 14. A foreach loop
• Example 15. How foreach loops expand
• Example 16. Disposing a contained instance
• Example 17. Custom finalization and disposal logic

Boxing

• Example 18. Using an int as an object
• Example 19. Not actually how a box works
• Example 20. Unboxing a value with a type pattern
• Example 21. Illustrating the pitfalls of mutable structs
• Example 22. Unboxing an int to nullable and nonnullable variables