1 | // |
2 | // immer: immutable data structures for C++ |
3 | // Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente |
4 | // |
5 | // This software is distributed under the Boost Software License, Version 1.0. |
6 | // See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt |
7 | // |
8 | |
9 | #include <immer/array.hpp> |
10 | #include <cassert> |
11 | |
12 | int main() |
13 | { |
14 | { |
15 | // include:push-back/start |
16 | auto v1 = immer::array<int>{1}; |
17 | auto v2 = v1.push_back(8); |
18 | |
19 | assert((v1 == immer::array<int>{1})); |
20 | assert((v2 == immer::array<int>{1,8})); |
21 | // include:push-back/end |
22 | } |
23 | |
24 | { |
25 | // include:set/start |
26 | auto v1 = immer::array<int>{1,2,3}; |
27 | auto v2 = v1.set(0,5); |
28 | |
29 | assert((v1 == immer::array<int>{1,2,3})); |
30 | assert((v2 == immer::array<int>{5,2,3})); |
31 | // include:set/end |
32 | } |
33 | |
34 | { |
35 | // include:update/start |
36 | auto v1 = immer::array<int>{1,2,3,4}; |
37 | auto v2 = v1.update(2, [&] (auto l) { |
38 | return ++l; |
39 | }); |
40 | |
41 | assert((v1 == immer::array<int>{1,2,3,4})); |
42 | assert((v2 == immer::array<int>{1,2,4,4})); |
43 | // include:update/end |
44 | } |
45 | |
46 | { |
47 | // include:take/start |
48 | auto v1 = immer::array<int>{1,2,3,4,5,6}; |
49 | auto v2 = v1.take(3); |
50 | |
51 | assert((v1 == immer::array<int>{1,2,3,4,5,6})); |
52 | assert((v2 == immer::array<int>{1,2,3})); |
53 | // include:take/end |
54 | } |
55 | } |
56 | |