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

Description

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

+ Inheritance diagram for ranges::views::sample_base_fn:

Public Member Functions

template<typename Rng , typename URNG = detail::default_random_engine>
sample_view< all_t< Rng >, URNG > operator() (Rng &&rng, range_difference_t< Rng > sample_size, URNG &generator=detail::get_random_engine()) const
 

Member Function Documentation

◆ operator()()

template<typename Rng , typename URNG = detail::default_random_engine>
sample_view<all_t<Rng>, URNG> ranges::views::sample_base_fn::operator() ( Rng &&  rng,
range_difference_t< Rng >  sample_size,
URNG &  generator = detail::get_random_engine() 
) const
Precondition
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>) //