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Learn to optimize C++ performance by eliminating unnecessary temporary object creation in this conference talk from C++Now 2025. Discover practical strategies for reducing resource usage and improving code efficiency through real-world examples and best practices identified during professional code reviews. Explore techniques for optimizing commonly used types including std::string and std::vector, then extend to other STL types such as std::pair, std::tuple, std::optional, std::expected, std::variant, std::initializer_list, and various sequence and associative containers. Master the use of transparent comparators to avoid costly operations and learn to move constant objects with global lifetimes to compile-time data structures. Gain actionable insights through comprehensive code demonstrations that show these optimization principles in practice, equipping you with immediately applicable techniques to enhance the efficiency of your C++ codebases and reduce unnecessary resource consumption in production environments.
