include/boost/capy/detail/run_callbacks.hpp

92.6% Lines (25/27) 52.6% Functions (229/435)

Line	Hits	Source Code
1		//
2		// Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com)
3		//
4		// Distributed under the Boost Software License, Version 1.0. (See accompanying
5		// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6		//
7		// Official repository: https://github.com/cppalliance/capy
8		//
9
10		#ifndef BOOST_CAPY_DETAIL_RUN_CALLBACKS_HPP
11		#define BOOST_CAPY_DETAIL_RUN_CALLBACKS_HPP
12
13		#include <boost/capy/detail/config.hpp>
14
15		#include <concepts>
16		#include <exception>
17		#include <type_traits>
18		#include <utility>
19
20		namespace boost {
21		namespace capy {
22		namespace detail {
23
24		struct default_handler
25		{
26		template<class T>
27	2	void operator()(T&&) const noexcept
28		{
29	2	}
30
31	1720	void operator()() const noexcept
32		{
33	1720	}
34
35	1000	void operator()(std::exception_ptr ep) const
36		{
37	1000	if(ep)
38	1000	std::rethrow_exception(ep);
39	✗	}
40		};
41
42		template<class H1, class H2>
43		struct handler_pair
44		{
45		static_assert(
46		std::is_nothrow_move_constructible_v<H1> &&
47		std::is_nothrow_move_constructible_v<H2>,
48		"Handlers must be nothrow move constructible");
49
50		H1 h1_;
51		H2 h2_;
52
53		template<class T>
54	77	void operator()(T&& v)
55		{
56	77	h1_(std::forward<T>(v));
57	77	}
58
59	5	void operator()()
60		{
61	5	h1_();
62	5	}
63
64	26	void operator()(std::exception_ptr ep)
65		{
66	26	h2_(ep);
67	26	}
68		};
69
70		template<class H1>
71		struct handler_pair<H1, default_handler>
72		{
73		static_assert(
74		std::is_nothrow_move_constructible_v<H1>,
75		"Handler must be nothrow move constructible");
76
77		H1 h1_;
78
79		template<class T>
80	102	void operator()(T&& v)
81		{
82	102	h1_(std::forward<T>(v));
83	102	}
84
85	3443	void operator()()
86		{
87	3443	h1_();
88	3443	}
89
90	2005	void operator()(std::exception_ptr ep)
91		{
92		if constexpr(std::invocable<H1, std::exception_ptr>)
93	2005	h1_(ep);
94		else
95	✗	std::rethrow_exception(ep);
96	1005	}
97		};
98
99		} // namespace detail
100		} // namespace capy
101		} // namespace boost
102
103		#endif
104