1 files changed, 22 insertions, 0 deletions
diff --git a/example/vector/intro.cpp b/example/vector/intro.cpp
new file mode 100644
index 000000000000..ca832e606552
--- /dev/null
+++ b/example/vector/intro.cpp
@@ -0,0 +1,22 @@
+//
+// 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:intro/start
+#include <immer/vector.hpp>
+int main()
+{
+    const auto v0 = immer::vector<int>{};
+    const auto v1 = v0.push_back(13);
+    assert((v0 == immer::vector<int>{}));
+    assert((v1 == immer::vector<int>{13}));
+
+    const auto v2 = v1.set(0, 42);
+    assert(v1[0] == 13);
+    assert(v2[0] == 42);
+}
+// include:intro/end