blob: 38cd030c4a9ff213827238bf9b2d172a46a9f7bb (
plain) (
blame)
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
55
56
|
//
// 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
//
#pragma once
#include <immer/config.hpp>
#include <tuple>
#include <utility>
namespace immer {
namespace detail {
namespace rbts {
template <typename Deriv>
struct visitor_base
{
template <typename... Args>
static decltype(auto) visit_node(Args&&... args)
{
IMMER_UNREACHABLE;
}
template <typename... Args>
static decltype(auto) visit_relaxed(Args&&... args)
{
return Deriv::visit_inner(std::forward<Args>(args)...);
}
template <typename... Args>
static decltype(auto) visit_regular(Args&&... args)
{
return Deriv::visit_inner(std::forward<Args>(args)...);
}
template <typename... Args>
static decltype(auto) visit_inner(Args&&... args)
{
return Deriv::visit_node(std::forward<Args>(args)...);
}
template <typename... Args>
static decltype(auto) visit_leaf(Args&&... args)
{
return Deriv::visit_node(std::forward<Args>(args)...);
}
};
} // namespace rbts
} // namespace detail
} // namespace immer
|
