Why template parameters of dependent type names cannot be deduced, and what to do about it

Following the presentation a type by any other name at the CppCon, a great talk that shows how to incrementally refactor code using tooling and type aliases, I got interested in one of the observation made by Jon Cohen: template parameters of dependent type names cannot be deduced. This short post aims at describing this... Continue Reading →

My CppCon 2017 Trip Report – 10 great talks to watch and learn from

The last edition of the CppCon 2017 just ended. As for the previous edition, it was a real pleasure to be there, discussing with talented and curious fellow developers, and watching great talks. In particular, I got the feel that the conference offered more diverse talks than the previous edition. Inspired by the trip report... Continue Reading →

Monoids: what they are, why they are useful, and what they teach us about software

Monoids are a pretty interesting concept in software development. Monoids are everywhere. Monoids are simple yet powerful. And Monoids have a lot to teach us about software, in particular about composition and building powerful abstraction. This post will take you through a small tour of what Monoids are and are for. We will first define... Continue Reading →

How to make a better polymorphic clone in modern C++

This short port is an answer to the blog post of @JoBoccara on how to make a polymorphic clone in modern C++ in the presence of smart pointers. The goal of this post is to explain in which aspects the solution of the OP is not really satisfying, and to provide what I believe to... Continue Reading →

A follow up of the study of 4 Money class designs: why not having currencies as type parameters?

In the previous post, we went through a comparative study of 4 different designs for a Money class that represents an amount of money. To do so, the Money class groups an amount with a currency (its unit) and implements a safe arithmetic which takes into account the currencies. This article received a quite positive... Continue Reading →

A study of 4 Money class designs, featuring Martin Fowler, Kent Beck and Ward Cunningham implementations.

Following a TDD training that could have gone better, I started to read the Test Driven Development: by example book (by Kent Beck). It offers a perspective on TDD that is far from being dogmatic. It is a really good back and I highly encourage you to read it. But this post is not about... Continue Reading →

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