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authorVincent Ambo <mail@tazj.in>2020-07-15T07·20+0100
committerVincent Ambo <mail@tazj.in>2020-07-15T07·20+0100
commit7f19d641647ac4ef313ed88d6b5c140983ce5436 (patch)
tree31b66c81465293da5c093c5dde3e419758c0d6cc /example/vector/iota-transient-std.cpp
Squashed 'third_party/immer/' content from commit ad3e3556d
git-subtree-dir: third_party/immer
git-subtree-split: ad3e3556d38bb75966dd24c61a774970a7c7957e
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+//
+// immer: immutable data structures for C++
+// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
+//
+// This software is distributed under the Boost Software License, Version 1.0.
+// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
+//
+
+#include <immer/vector.hpp>
+#include <immer/vector_transient.hpp>
+
+#include <algorithm>
+#include <iostream>
+
+// include:myiota/start
+immer::vector<int> myiota(immer::vector<int> v, int first, int last)
+{
+    auto t = v.transient();
+    std::generate_n(
+        std::back_inserter(t), last - first, [&] { return first++; });
+    return t.persistent();
+}
+// include:myiota/end
+
+int main()
+{
+    auto v = myiota({}, 0, 100);
+    std::copy(v.begin(), v.end(), std::ostream_iterator<int>{std::cout, "\n"});
+}