Tag Archives: C++03

(Not) detecting bugs

Posted on January 2, 2017 by Andrzej Krzemieński

The following code contains a bug. A developer has spent quite some time looking for the source. The intent of this code is to iterate over two vectors simultaneously, from the first up to the one-before-last element. Thus the most … Continue reading →

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The One-Definition Rule

Posted on November 28, 2016 by Andrzej Krzemieński

We have been hit by the same bug twice already this year. It ends in a crash, and it took developers days to find it (in each case), even though it is reproducible on each run of unit tests. The … Continue reading →

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A customizable framework

Posted on January 16, 2016 by Andrzej Krzemieński

In this post I want to describe a problem my colleagues have faced a couple of times recently, and show how it can be solved with C++. Here is the goal. We want to provide a function (or a set … Continue reading →

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Overload resolution

Posted on November 19, 2015 by Andrzej Krzemieński

This post is an introduction to another one that I intend to write in the future. The goal of this one is to go over the concepts of function template specialization, function (template) overloading, argument dependent lookup (ADL) and overload … Continue reading →

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More than you need

Posted on October 22, 2015 by Andrzej Krzemieński

The classes you design can do more (in terms of allowed operations) than what you could figure out from just looking at their member function declarations. The C++ Standard defines a number of cases where certain expressions involving your type … Continue reading →

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Set-up and tear-down

Posted on June 25, 2015 by Andrzej Krzemieński

Recently as part of program run-time performance optimization effort, I was scanning through the code for occurrences of keyword new. The goal was to find unnecessary memory allocations. I was surprised to find most of news in the unit test … Continue reading →

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Handling short codes — part II

Posted on June 23, 2015 by Andrzej Krzemieński

Today, we will continue with the implementation of a type capable of storing short codes. For the previous post on the subject see here. This time, we will focus on type safety.

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Handling short codes — part I

Posted on May 14, 2015 by Andrzej Krzemieński

In my work, we often deal with codes: country codes, airport codes, airline codes, aircraft codes, and more. The thing they have in common is that they are really short. Sometimes 2-letter long, sometimes 3-letter long, sometimes a bit longer. … Continue reading →

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A clever comment style

Posted on April 22, 2015 by Andrzej Krzemieński

Comments are one of the most useful language features; in practically any programming language. Yet, they can become really a pain. Just consider the following example that I have seen quite often in different variations: or: You could surely give … Continue reading →

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