"ScL Feature"/
ScL Feature 0.0.1
C++20 composable proxy wrapper with pluggable executor strategy
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value_lock.h
1#pragma once
2
3#ifndef DOXYGEN
4
5#include <scl/feature/detail/value_lock.h>
6#include <scl/feature/type_traits/wrapper.h>
7
8namespace scl
9{
10 template <typename Refer>
11 using value_lock = ::scl::feature::detail::value_lock<Refer>;
12} // namespace scl
13
14#else // DOXYGEN
15
16namespace scl
17{
21
43 template <typename Refer>
44 class value_lock
45 {
46 public:
47 value_lock(value_lock &&) = delete;
48 value_lock(value_lock const &) = delete;
49 value_lock & operator=(value_lock &&) = delete;
50 value_lock & operator=(value_lock const &) = delete;
51
58 explicit value_lock(Refer ref);
59
66 ~value_lock();
67
81 template <typename Target>
82 void lock_for()
83 requires ::scl::feature::concepts::convertible_from<Target, Refer>;
84
98 template <typename Target>
99 [[nodiscard]]
100 Target value_as()
101 requires ::scl::feature::concepts::convertible_from<Target, Refer>;
102 };
103 // end of group scl_feature_locking
105} // namespace scl
106
107#endif // DOXYGEN
scl::value_lock
Recursive lazy RAII lock through a wrapper chain.
Definition value_lock.h:45
scl::value_lock::value_lock
value_lock(Refer ref)
Constructs the lock, capturing references to every executor in the wrapper chain. No guard is acquire...
scl::value_lock::value_as
Target value_as()
Returns the stored value at the level matching Target.
scl::value_lock::~value_lock
~value_lock()
Releases all guards acquired via lock_for().
scl::value_lock::lock_for
void lock_for()
Activates guards for every wrapper layer needed to reach Target.
scl::feature
Namespace of the ScL Feature module.
scl
Root namespace of the ScL project.