I'm struggling to finalise the design of my C++17 library. One of the primary goals is to use runtime polymorphism to allow users to extend or rewrite default features of the library for their own use ...

As I understand it, std::polymorphic<T> and std::indirect<T> are const-propagating wrapper types for an owning pointer to a T object, where the target of the pointer is copied with the ...

I have a ProductLandedCost model with a morphToMany relationship to various other models: Warehouse, for example: class Warehouse extends Model { // ... public function productLandedCosts(): ...

I have three processor classes that share a common interface for polymorphic behavior using std::variant and std::visit. Each processor has a processData() member function that internally consists of ...

I am trying to implement a Parent and Child class. The Parent class would start a thread and run a routine function. The Child class would override the routine function if needed.This seems perfectly ...

I'm building a Qt wrapper for RtMidi. As starting point I created two separate classes QMidiOut and QMidiIn that wrap RtMidiOut and RtMidiIn. I don't want to duplicate code for the common methods (e.g....

so I'm building a project using C# in Visual Studio, and I'm running into an issue with my Json deserialization of my custom subclasses. Basically, I have all of the data for my project under one base ...

Consider this Haskell code that compiles successfully: {-# LANGUAGE RankNTypes #-} -- Applies a polymorphic function to different types, expecting 3 constraints applyToMany :: (forall a. (Show a, Eq ...

I have created a very simple demo project with one controller endpoint: Spring Boot 3.5.6 Springdoc 2.8.13 This was working much better in Spring Boot 2.7.x Full project here: https://github.com/...

I'm playing around with OOP in Python, and I have something like this: class Person: def __init__(self,name, age): self.name = name self.age = age self.hobbies = [] ...

I don't understand why my class that extends an abstract class (which implements an interface) does not override the interface's single method. I get this error when I try to compile: MyIntListImpl ...

I am aware that calling delete this in a member function is not UB in itself. In fact, compiler is doing the very same thing when one calls delete ptr, ptr being a pointer to a polymorphic object (...

Consider these model classes: [JsonPolymorphic(TypeDiscriminatorPropertyName = "$type")] [JsonDerivedType(typeof(A), typeDiscriminator: nameof(A))] [JsonDerivedType(typeof(B), ...

In The C++ Programming Language - 4th edition, in §25.3 at page 731-732 Bjarne Stroustrup shows a possible implementation of a Vector template class that's been specialized for all T* template ...

I've tried to use kotlinx.serialization with the third party Yaml plugin from @charleskorn. In the past I already did something with Python using pyyaml, where I explicitly set a custom yaml_tag for ...