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code-delphi-mm's Introduction

Code examples from Delphi Memory Management for Classic and ARC Compilers Book

https://igoto.co/DelphiMM

https://dalija.prasnikar.info

Part 1. Memory management basics and terminology

Chapter 3. Variables and types

  • 3.3.1 Wild reference

    Wild.dpr

    WildWorking.dpr

  • 3.3.2 Dangling reference

    Dangling.dpr

  • 3.3.3 Stale reference

    Stale.dpr

  • 3.4 Scope and lifetime

    Scope1.dpr

    Scope2.dpr

    Scope3.dpr

Chapter 4. Classes

  • 4.3.2 Self

    uShip.pas

  • 4.3.3 inherited

    uQuestion.pas

    PrintTest.dpr

  • 4.4.1 Static binding

    StaticBinding.dpr

  • 4.4.4 Method overriding (Dynamic binding)

    DynamicHidding.dpr

    DynamicOverriding.dpr

  • 4.4.8 The differences between overriding, hiding, or doing nothing with a virtual method

    Differences.dpr

  • 4.4.9 Method overloading

    Overloading1.dpr

    Overloading2.dpr

  • 4.4.10 Class methods

    Classy.dpr

Part 2. Object instances

Chapter 5. To be, or not to be

  • 5.1.4 Nil exception

    NilException.dpr

  • 5.1.5 How to test for nil

    AssignedCheck.dpr

    NilComparison.dpr

    NilComparisonFunc.dpr

  • 5.3.1 A use case for null object

    NullObjectPattern.dpr

  • 5.3.2 A case against null object

    TreeNil.dpr

    TreeNullObject.dpr

    TreeNullObjectSingle.dpr

  • 5.4 Nullable types

    Following nullable implementation is based on Allen Bauer's blog post "A Nullable Post" https://blog.therealoracleatdelphi.com/2008/09/a-post_18.html

    Nullable.pas

    Weather.dpr

Chapter 6, 7, 8

...

Part 3. Manual memory management

...

Part 4. Automatic Reference Counting

...

Part 5. Coding patterns

  • 17.6 Smart Pointers

    Smart.dpr + uLifeMgr.pas + uSmartPrt.pas

  • 17.7 Lazy

    LazyDeathStar.dpr

    ReallyLazyDeathStar.dpr

  • 17.8 Weak

    WeakMagic.dpr + uZWeak.pas

    SimplerWeakMagic.dpr + uZWeak.pas

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