545 B
545 B
[intseq.intseq]
21 Metaprogramming library [meta]
21.2 Compile-time integer sequences [intseq]
21.2.2 Class template integer_sequence [intseq.intseq]
namespace std {template<class T, T... I> struct integer_sequence {using value_type = T; static constexpr size_t size() noexcept { return sizeof...(I); }};}
Mandates: T is an integer type.