Story Category: generics

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Lightweight Multicast Events

Erik van Bilsen Erik van Bilsen A multicast event is an event that can have multiple listeners (or event handlers). Some languages (such as .NET languages) have built-in support for multicast events. This article shows an implementation for Delphi. This implementation… … Read more 2 years ago in Custom Managed Records, Delphi, generics, Nested Types, Operator Overloading, Uncategorized, Variant Records 0

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How it Works With Holger LIVE #3! Delphi 11.3 is out — let’s look at it! – also: Generics Mar @ 10 EST

Holger Flick Holger Flick Delphi 11.3 has been released today on 2/27/2023! It’s time to have a look at it at How it Works with Holger LIVE! Also, I will be introducing Generics and how you can use them… … Read more 2 years ago in Delphi, English, generics, MVP, vcl, Video 0

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Are generics slow?

Dalija Prasnikar Dalija Prasnikar In the TCoffeeAndCode session about “Code Profiling, Optimization, Performance, and Memory Leaks”, it has been mentioned that generics are slow. However, no specific details were given, and this topic deserves to be explained in more… … Read more 3 years ago in Delphi, generics, Optimization 0

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Type-Inference in Generic Methods

Olaf Monien Olaf Monien Due to an interesting code example, behind which Kim Madsen first suspected a possible bug in the Delphi compiler, I took a closer look at the calling behavior of overloaded methods that also contain generic… … Read more 4 years ago in Allgemein, Delphi, generics 0

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Caching with class variables

gabr42 gabr42 Recently I was extending a swiss-army-knife helper record we are using at work and I noticed a small piece of suboptimal code. At first I let it be as I couldn’t think of a simple… … Read more 6 years ago in Delphi, generics, programming 0

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Fluent Interfaces example using Delphi part II

Jordi Corbilla Jordi Corbilla Here is the second part of this interesting topic. As I’m still trying to redeem myself from my non popular first example, I’m sure this one will reach the expectations. For this example I’m trying… … Read more 13 years ago in Aspect oriented programming, Chaining Method, Delegates, Delphi, dependency injection, generics, LINQ 0

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Forms and Data Entry Validation – Part 1

Unknown Unknown This is not an article about LiveBinding. I was once hoping it was going to be, but instead it has become an alternative to LiveBinding. If anything, it is about compile-time binding and quality assuring… … Read more 13 years ago in anonymous methods, Delphi, FireMonkey, forms, generics, input, LiveBinding, validation, vcl 0

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Weird code snippet #2: Generic Double Linked List

Unknown Unknown They say Generics and pointers don’t mix. type PMyThing<T> = ^TMyThing<T> // [DCC Error] E2508 type parameters not allowed on this type TMyThing<T> = record Thing: T; end;Ok, they don’t. But there is a loophole!type… … Read more 13 years ago in Delphi, generics, pointers 0

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Finding yourself in a property bind

Unknown Unknown From the wishful thinking department, I would love to be able tovar Src: TSomeClass; MyObject : TBoundObject<Boolean>;begin MyObject.Bind(Src, CompilerMagic(TSomeClass.SomeBooleanProperty));end;instead ofvar Src: TSomeClass; MyObject : T… … Read more 13 years ago in bind, Delphi, generics, Wishlist 0