Checked indexed range access.
Public Member Functions | |
template<typename Rng > | |
constexpr auto | operator() (Rng &&rng, range_difference_t< Rng > n) const -> range_reference_t< Rng > requires random_access_range< Rng > &&sized_range< Rng > &&forwarding_range_< Rng > |
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constexpr |
begin(rng)[n]