What are advanced template metaprogramming concepts in C++?
Advanced template metaprogramming in C++ involves techniques like SFINAE, variadic templates, and type traits to enable compile-time computations.
Can you explain SFINAE and how it works?
SFINAE stands for Substitution Failure Is Not An Error. It allows the compiler to ignore certain template instantiations if they fail, enabling more flexible template designs.
What are variadic templates and when should I use them?
Variadic templates allow you to create templates that accept an arbitrary number of template parameters, useful for functions like std::tuple
.
How do type traits enhance template metaprogramming?
Type traits provide a way to query and manipulate types at compile time, enabling more robust and type-safe template code.
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