std::ranges::split_view<V,Pattern>::split_view

#include <algorithm>
#include <array>
#include <cctype>
#include <iostream>
#include <iterator>
#include <ranges>
#include <string_view>
#include <vector>
 
int main()
{
 {
 auto view = std::views::iota (1, 20)
 | std::views::transform ([](int x) { return x % 5; });
 auto splits = std::views::split (view, 0); // (2)
 for (const auto& split : splits)
 {
 std::cout << "{ ";
 std::ranges::copy (split, std::ostream_iterator <int>(std::cout, " "));
 std::cout << "} ";
 }
 }
 std::cout << '\n';
 
 {
 const std::vector nums{1, -1, -1, 2, 3, -1, -1, 4, 5, 6};
 const std::array delim{-1, -1};
 auto splitter = std::views::split (nums, delim); // (3)
 for (const auto& split : splitter)
 {
 std::cout << "{ ";
 std::ranges::copy (split, std::ostream_iterator <int>(std::cout, " "));
 std::cout << "} ";
 }
 }
 std::cout << '\n';
 
 {
 constexpr std::string_view JupiterMoons
 {
 "Callisto, Europa, Ganymede, Io, and 91 more"
 };
 constexpr std::string_view delim{", "};
 std::ranges::split_view moons_extractor{JupiterMoons, delim}; // (3)
 auto is_moon = std::views::filter ([](auto str)
 {
 return std::isupper (str[0]);
 });
 std::cout << "Some moons of Jupiter: ";
 for (const auto moon : moons_extractor | is_moon)
 std::cout << std::string_view (moon) << ' ';
 }
 std::cout << '\n';
}

{ 1 2 3 4 } { 1 2 3 4 } { 1 2 3 4 } { 1 2 3 4 }
{ 1 } { 2 3 } { 4 5 6 }
Some moons of Jupiter: Callisto Europa Ganymede Io