Tag Archives: C++11

Your own error condition

In the previous post we have seen how you can create your own error-code enumeration for representing different reasons for failure in your component, and how you can store them and convey them type erased via std::error_code. In this post … Continue reading

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Your own error code

I was recently implementing the “classification of error conditions” in my application offered by the functionality behind std::error_code. In this post I want to share some of my experience and insight. C++11 comes with a quite sophisticated mechanism for classifying … Continue reading

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Compile-time string concatenation

We will start with a bug, taken from real life. It spans across three files: Question: what happens when this program is executed?

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Asserts in constexpr functions

Assertions (like C-style macro assert) are not an ideal, but still useful tool for indicating assumptions about program correctness, and help finding programmer bugs. In this post we will see how we can use assertions in constexpr functions. This works … Continue reading

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The GCC bug affects you

This is a follow-up to my previous post about a bug in GCC. I was reading comments, and observed that some readers say that the example I used is rare, or artificial, or that it does not follow “good programming … Continue reading

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Is constructible?

Today I want to share with you something that really surprised me. Currently, Tomasz Kamiński and Ville Voutilainen are working on fixing a certain issue with std::optional’s converting constructors (which deserves a separate post). At some point, in the solution, … Continue reading

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The cost of std::initializer_list

C++ aims to be a language for people working close to metal. It offers abstractions that cost no (or minimum) run-time or memory overhead. If you require zero-overhead abstractions, std::initializer_list may not be a tool for you.

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