# std::ranges::lazy_split_view<V,Pattern>::base

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< cpp‎ | ranges‎ | lazy split view

constexpr V base() const& requires std::copy_constructible <V>; | (1) | (since C++20)
constexpr V base() &&; | (2) | (since C++20)

Returns a copy of the underlying view `base_`.

1) Copy constructs the result from the underlying view `base_`.
2) Move constructs the result from the underlying view `base_`.

### Return value

A copy of the underlying view `base_`.

### Example

Run this code

    #include <iostream>
    #include <ranges>
    #include <string_view>

    void print(std::string_view rem, auto const& r, std::string_view post = "\n")
    {
        for (std::cout << rem; auto const& e : r)
            std::cout << e;
        std::cout << post;
    }

    int main()
    {
        constexpr std::string_view keywords{ "this,..throw,..true,..try,.." };
        constexpr std::string_view pattern{",.."};
        constexpr std::ranges::lazy_split_view lazy_split_view{keywords, pattern};
        print("base() = [", lazy_split_view.base(), "]\n"
              "substrings: ");
        for (auto const& split: lazy_split_view)
            print("[", split, "] ");
    }

Output:

    base() = [this,..throw,..true,..try,..]
    substrings: [this] [throw] [true] [try] []

### See also

base | returns a copy of the underlying (adapted) view (public member function of `std::ranges::split_view<V,Pattern>`)

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