Pack indexing

LanguageC++26C++292 papers3 connections

T...[i] indexing of packs, extended to template names in C++29.

Connected features

Fold expressionsC++17direct indexing of packsStructured bindingsC++26structured-binding packs and pack indexing share pack machineryExpansion statementsC++26expansion statements iterate packs

Papers

2 · Kona 2023 → Brno 2026

Adds pack indexing: T...[i] and args...[i].

Read P2662R3 on wg21.link →Paper page