1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
//
// zug: transducers for C++
// Copyright (C) 2019 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 <zug/into.hpp>
#include <zug/into_vector.hpp>
#include <zug/reducing/first.hpp>
#include <zug/transducer/map.hpp>
#include <zug/transducer/take.hpp>
#include <catch2/catch.hpp>
using namespace zug;
TEST_CASE("map, mapping")
{
auto v = std::vector<int>{1, 2, 3, 6};
auto times2 = [](int x) { return x * 2; };
CHECK(transduce(map(times2), std::plus<int>{}, 1, v) == 25);
}
TEST_CASE("map, example")
{
// example1 {
auto v = std::vector<int>{1, 2, 3, 6};
auto r = into_vector(map([](int x) { return x * 2; }), v);
CHECK(r == decltype(r){2, 4, 6, 12});
// }
}
namespace {
int free_times2(int x) { return x * 2; }
} // anonymous namespace
TEST_CASE("map, mapping invoke")
{
auto v = std::vector<int>{1, 2, 3, 6};
CHECK(transduce(map(&free_times2), std::plus<int>{}, 1, v) == 25);
}
|
