Lightning Talk: C++20 - A New Way of Meta-Programming?
summary
Five concrete C++20 techniques for template metaprogramming: compile-time branching with requires/constraints and if constexpr that selects overloads, immediately-invoked lambda unrolling to expand index sequences in place, NTTP support for string template parameters to pass string literals into templates, tuple-like deconstruction via structure-binding-to-pack / tuple conversion and using concepts plus constexpr transforms to write metaprograms that mirror runtime pipelines and even generate faster compile-time alternatives.
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