Putting `integer_sequence` on a diet
summary
Shows how to enumerate parameter packs while keeping the index at compile time and removing indirection: first uses a templated lambda operator() trick to pass an integral_constant index to each element so no runtime argument or extra helper is needed; then proposes making std::integer_sequence decomposable so the newer expansion statements can inline the index expansion directly. Claims this requires only a small library change to support structured bindings for integer_sequence and demonstrates working code for both approaches.
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chapters (4)
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