How do I reserve capacity ahead of time with std::deque for embedded targets?

To reserve capacity ahead of time with std::deque in C++, you need to be aware that std::deque does not support pre-allocation like std::vector. However, you can optimize its use for embedded targets by managing your memory usage effectively. Below is an example of how to work with std::deque in an embedded environment.

#include #include int main() { std::deque myDeque; // Adding elements to the deque myDeque.push_back(1); myDeque.push_back(2); myDeque.push_back(3); // Optimizing usage by limiting the size const size_t maxSize = 10; if (myDeque.size() < maxSize) { myDeque.push_back(4); } // Displaying the contents of the deque for (const int &element : myDeque) { std::cout << element << " "; } return 0; }

C++ std::deque embedded systems memory management

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