about summary refs log tree commit diff
path: root/example/vector/iota-transient-std.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'example/vector/iota-transient-std.cpp')
-rw-r--r--example/vector/iota-transient-std.cpp29
1 files changed, 29 insertions, 0 deletions
diff --git a/example/vector/iota-transient-std.cpp b/example/vector/iota-transient-std.cpp
new file mode 100644
index 000000000000..451f44a10306
--- /dev/null
+++ b/example/vector/iota-transient-std.cpp
@@ -0,0 +1,29 @@
+//
+// 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"});
+}