Architectural Patterns

Architectural patterns describe the fundamental structure of a software system and are often based on design patterns. The five Pattern-Oriented Software Architecture series books provide a precious source of architectural patterns.

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Views: 3707

How can you recognise a good software architecture?

I'm happy to present today a guest post from Alexander Eisenhuth. Alexander will write about his passion: good software architecture.

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Views: 24637

Idioms for Polymorphism and Templates

This post is unique because I have written about all the topics mentioned in this post already. Therefore, I only provide a few words about the topic and a link to the post mentioned.

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Views: 3043

Covariant Return Type

The Covariant Return Type of a member function allows an overriding member function to return a narrower type. This is particularly useful when you implement the Prototype Pattern.

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Views: 3294

The Iterator Protocol

When you want to use a user-defined type in a range-based for-loop, your user-defined type has to implement the Iterator Protocol.

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Tags: iterator
Views: 5038

The Null Object Pattern

A Null Object encapsulates a do nothing behavior inside an object. It is often pretty comfortable to use a neutral object.

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Tags: lock, mutex
Views: 5657

Value Objects

A value object is a small object whose equality is based on state, but not identity. Typical value objects are money, numbers, or strings.

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Views: 5206

Regular Types

The concept of a regular type goes back to the creator of the Standard Template Library (STL) Alexander Stepanov. A regular type is a user-defined type and behaves like a built-in type.

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Tags: Regular
Views: 6001

The Rule of Zero, or Six

The rule of zero, or six, is one of the advanced rules in modern C++. I wrote in my current book "C++ Core Guidelines Explained: Best Practices for Modern C++" about them. Today, I want to quote the relevant parts of my book in this post.

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Views: 6173

Argument-Dependent Lookup and the Hidden Friend Idiom

Argument-Dependent Lookup (ADL), also known as Koenig Lookup, is a set of "magical" rules for the lookup of unqualified functions based on their function arguments.

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Tags: ADL
Views: 6928


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