What are some time-related classes in the std namespace (chrono time_point, chrono duration)?

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what does using namespace std do Informational

• What are the limitations of using namespace std in header files? Why is it generally discouraged to use using namespace std in header files?
• What are the implications of using different namespace conventions across different parts of a large project? How can we effectively communicate namespace usage guidelines to new team members?
• Are there any performance implications of using namespaces in HPC code? How do namespaces relate to the development of game engines in C++?
• Can namespaces help to improve code maintainability and readability? What are some common pitfalls to avoid when designing and using namespaces?
• What are some resource constraints related to namespace usage in IoT devices? How do namespaces relate to the development of blockchain applications in C++?
• Why do we need to use namespace std in C++?
• Does the namespace of a function affect its linkage? How do namespaces affect the visibility of symbols in different translation units?
• Which header file provides definitions for smart pointers? How do mathematical functions relate to the std namespace?
• Can namespaces be used to organize different database access layers or libraries?
• How do inline namespaces help with versioning of libraries? What are some strategies for migrating code that doesn't use namespaces to a namespace-aware design?