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5 Curious C++ Lambda Examples: Recursion, constexpr, Containers and More

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In this blog post I’ll show you a couple of interesting examples with lambda expressions. Do you know how to write a recursive lambda? Store them in a container? Or invoke at compile time? See in the article. Updated in August 2022: Added C++23 improvements. 1. Recursive Lambda with std::function   Writing a recursive function is relatively straightforward: inside a function definition, you can call the same function by its name.

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Custom types and std::format from C++20

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std::format is a large and powerful addition in C++20 that allows us to format text into strings efficiently. It adds Python-style formatting with safety and ease of use. This article will show you how to implement custom formatters that fit into this new std::format architecture. Quick Introduction to std::format   Here’s the Hello World example:

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C++20 Ranges Algorithms - sorting, sets, other and C++23 updates

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This article is the third and the last one in the mini-series about ranges algorithms. We’ll look at some sorting, searching, and remaining algorithms. We’ll also have a glimpse of cool C++23 improvements in this area. Let’s go. Before we start   Key observations for std::ranges algorithms: Ranges algorithms are defined in the <algorithm> header, while the ranges infrastructure and core types are defined in the <ranges> header.

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Embracing Modern C++ Safely, Book Review

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C++11 has been around for around 11 years and C++14 for 8. From my experience, I see that even today, many companies struggle to use those standards in production in the most efficient way. As always, with new stuff came benefits, risks, and increased learning effort. Fortunately, with a new book written by top C++ Experts, we have a solid guide on what is safe and what might be problematic in Modern C++.

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C++20 Ranges Algorithms - 11 Modifying Operations

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In the previous article in the Ranges series, I covered some basics and non-modifying operations. Today it’s time for algorithms like transform, copy, generate, shuffle, and many more…. and there’s rotate as well :) Let’s go. Before we start   Key observations for std::ranges algorithms: Ranges algorithms are defined in the <algorithm> header, while the ranges infrastructure and core types are defined in the <ranges> header.

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Speeding up Pattern Searches with Boyer-Moore Algorithm from C++17

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With C++17, you can now use more sophisticated algorithms for pattern searches! You’ll have more control and a promising performance boost for many use cases. This article shows primary usage and runs a benchmark comparing the new techniques. May 2022 Updates: added notes about C++20 and constexpr algorithms, updated the benchmark and compared against std::ranges::search and custom strchr versions.

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C++20 Ranges Algorithms - 7 Non-modifying Operations

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C++20’s Ranges offer alternatives for most of <algorithm>'s'. This time I’d like to show you ten non-modifying operations. We’ll compare them with the “old” standard version and see their benefits and limitations. Let’s go. Before we start   Key observations for std::ranges algorithms: Ranges algorithms are defined in the <algorithm> header, while the ranges infrastructure and core types are defined in the <ranges> header.

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SFINAE, Immediate Context, Operator << and '\n'

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In this blog post, I’ll show and explain a strange-looking error about tuple_size_v and instantiation for \n character. You’ll see some tricky parts of SFINAE and how the compiler builds the overload resolution set. Let’s go. A surprising error   When doing experiments with tuple iteration (see part one and part two) I got this strange-looking compiler error:

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