29 lines
774 B
C++
29 lines
774 B
C++
//
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// immer: immutable data structures for C++
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// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
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//
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// This software is distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
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//
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#include <immer/vector.hpp>
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#include <immer/vector_transient.hpp>
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#include <algorithm>
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#include <iostream>
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// include:myiota/start
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immer::vector<int> myiota(immer::vector<int> v, int first, int last)
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{
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auto t = v.transient();
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std::generate_n(
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std::back_inserter(t), last - first, [&] { return first++; });
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return t.persistent();
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}
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// include:myiota/end
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int main()
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{
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auto v = myiota({}, 0, 100);
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std::copy(v.begin(), v.end(), std::ostream_iterator<int>{std::cout, "\n"});
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}
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