File: result_implicit_conversion_test.cpp

package info (click to toggle)
boost1.90 1.90.0-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 593,120 kB
  • sloc: cpp: 4,190,908; xml: 196,648; python: 34,618; ansic: 23,145; asm: 5,468; sh: 3,774; makefile: 1,161; perl: 1,020; sql: 728; ruby: 676; yacc: 478; java: 77; lisp: 24; csh: 6
file content (54 lines) | stat: -rw-r--r-- 959 bytes parent folder | download | duplicates (5)
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
46
47
48
49
50
51
52
53
54
// Copyright 2018-2024 Emil Dotchevski and Reverge Studios, Inc.
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
#   include "leaf.hpp"
#else
#   include <boost/leaf/result.hpp>
#endif

#include "lightweight_test.hpp"

namespace leaf = boost::leaf;

struct A
{
    int x;
    A() noexcept:
        x(0)
    {
    }

    A( int x_ ) noexcept:
        x(x_)
    {
    }
};

leaf::result<int> f()
{
    return 42;
}

leaf::result<A> g()
{
    return f();
}

int main()
{
    BOOST_TEST_EQ(g().value().x, 42);
    {
        leaf::result<int> r1(42);
        leaf::result<A> r2(std::move(r1));
        BOOST_TEST_EQ(r2.value().x, 42);
    }
    {
        leaf::result<int> r1(42);
        leaf::result<A> r2;
        r2 = std::move(r1);
        BOOST_TEST_EQ(r2.value().x, 42);
    }
    return boost::report_errors();
}