File: filter_transform.cpp

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range-v3 0.12.0-2
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// Range v3 library
//
//  Copyright Eric Niebler 2019
//
//  Use, modification and distribution is subject to the
//  Boost Software License, Version 1.0. (See accompanying
//  file LICENSE_1_0.txt or copy at
//  http://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/ericniebler/range-v3
//

///[filter_transform]
// This example demonstrates filtering and transforming a range on the
// fly with view adaptors.

#include <iostream>
#include <string>
#include <vector>

#include <range/v3/view/filter.hpp>
#include <range/v3/view/transform.hpp>
using std::cout;

int main()
{
    std::vector<int> const vi{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
    using namespace ranges;
    auto rng = vi | views::filter([](int i) { return i % 2 == 0; }) |
               views::transform([](int i) { return std::to_string(i); });
    // prints: [2,4,6,8,10]
    cout << rng << '\n';
}
///[filter_transform]