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Diffstat (limited to 'example/flex-vector/flex-vector.cpp')
-rw-r--r-- | example/flex-vector/flex-vector.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/example/flex-vector/flex-vector.cpp b/example/flex-vector/flex-vector.cpp new file mode 100644 index 000000000000..7c8a7793393c --- /dev/null +++ b/example/flex-vector/flex-vector.cpp @@ -0,0 +1,103 @@ +// +// 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/flex_vector.hpp> + +#include <cassert> + +int main() +{ + { + // include:push-back/start + auto v1 = immer::flex_vector<int>{1}; + auto v2 = v1.push_back(8); + + assert((v1 == immer::flex_vector<int>{1})); + assert((v2 == immer::flex_vector<int>{1, 8})); + // include:push-back/end + } + { + // include:push-front/start + auto v1 = immer::flex_vector<int>{1}; + auto v2 = v1.push_front(8); + + assert((v1 == immer::flex_vector<int>{1})); + assert((v2 == immer::flex_vector<int>{8, 1})); + // include:push-front/end + } + + { + // include:set/start + auto v1 = immer::flex_vector<int>{1, 2, 3}; + auto v2 = v1.set(0, 5); + + assert((v1 == immer::flex_vector<int>{1, 2, 3})); + assert((v2 == immer::flex_vector<int>{5, 2, 3})); + // include:set/end + } + + { + // include:update/start + auto v1 = immer::flex_vector<int>{1, 2, 3, 4}; + auto v2 = v1.update(2, [&](auto l) { return ++l; }); + + assert((v1 == immer::flex_vector<int>{1, 2, 3, 4})); + assert((v2 == immer::flex_vector<int>{1, 2, 4, 4})); + // include:update/end + } + + { + // include:take/start + auto v1 = immer::flex_vector<int>{1, 2, 3, 4, 5, 6}; + auto v2 = v1.take(3); + + assert((v1 == immer::flex_vector<int>{1, 2, 3, 4, 5, 6})); + assert((v2 == immer::flex_vector<int>{1, 2, 3})); + // include:take/end + } + + { + // include:drop/start + auto v1 = immer::flex_vector<int>{1, 2, 3, 4, 5, 6}; + auto v2 = v1.drop(3); + + assert((v1 == immer::flex_vector<int>{1, 2, 3, 4, 5, 6})); + assert((v2 == immer::flex_vector<int>{4, 5, 6})); + // include:drop/end + } + + { + // include:insert/start + auto v1 = immer::flex_vector<int>{1, 2, 3}; + auto v2 = v1.insert(0, 0); + + assert((v1 == immer::flex_vector<int>{1, 2, 3})); + assert((v2 == immer::flex_vector<int>{0, 1, 2, 3})); + // include:insert/end + } + + { + // include:erase/start + auto v1 = immer::flex_vector<int>{1, 2, 3, 4, 5}; + auto v2 = v1.erase(2); + + assert((v1 == immer::flex_vector<int>{1, 2, 3, 4, 5})); + assert((v2 == immer::flex_vector<int>{1, 2, 4, 5})); + // include:erase/end + } + + { + // include:concat/start + auto v1 = immer::flex_vector<int>{1, 2, 3}; + auto v2 = v1 + v1; + + assert((v1 == immer::flex_vector<int>{1, 2, 3})); + assert((v2 == immer::flex_vector<int>{1, 2, 3, 1, 2, 3})); + // include:concat/end + } +} |