Modern C++ in Embedded Development

Modern C++ in Embedded Development: Compile-Time Observer Pattern

Despite C remaining the dominant language in embedded development, accounting for up to 65% of embedded projects, the adoption of C++ has grown steadily. With an estimated usage of 20% - 30% in the embedded development field, C++ offers classes, improved type safety, and quality of life features such as range-based for loops, the auto keyword, and lambdas.

Modern C++ provides a range of features that enhance the expressiveness and flexibility of codebases in embedded development while maintaining low binary size and memory usage. This session aims to dispel common misconceptions about C++, such as increased binary size and slow runtime performance, through an example implementation of the observer pattern. Attendees will gain insight into the simple yet effective application of Modern C++ for solving common problems in the embedded domain.

Topics covered in this talk will include:

• Debunking embedded developers' misconceptions about C++
• Modern C++ quality of life features: auto, lambdas, and constexpr
• An introduction to templates and fold expressions
• Implementing a compile-time observer pattern in C++

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