Range-v3
Range algorithms, views, and actions for the Standard Library
ranges::views::sample_fn Struct Reference

Description

Returns a random sample of a range of length size(range).

Synopsis of methods

constexpr view< sample_fnsample {}
 

Public Member Functions

template<typename Rng , typename URNG = detail::default_random_engine>
auto operator() (Rng &&rng, range_difference_t< Rng > sample_size, URNG &generator=detail::get_random_engine()) const -> sample_view< all_t< Rng >, URNG > requires viewable_range< Rng > &&input_range< Rng > &&uniform_random_bit_generator< URNG > &&convertible_to< invoke_result_t< URNG & >, range_difference_t< Rng >> &&(sized_range< Rng >||sized_sentinel_for< sentinel_t< Rng >, iterator_t< Rng >>||forward_range< Rng >)