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
|
diff --git a/include/optional b/include/optional
index f7224a2..f5c46aa 100644
--- a/include/optional
+++ b/include/optional
@@ -302,7 +302,7 @@ struct __optional_destruct_base<_Tp, false> {
_LIBCPP_HIDE_FROM_ABI constexpr explicit __optional_destruct_base(in_place_t, _Args&&... __args)
: __val_(std::forward<_Args>(__args)...), __engaged_(true) {}
-# if _LIBCPP_STD_VER >= 23
+# if _LIBCPP_STD_VER >= 20
template <class _Fp, class... _Args>
_LIBCPP_HIDE_FROM_ABI constexpr explicit __optional_destruct_base(
__optional_construct_from_invoke_tag, _Fp&& __f, _Args&&... __args)
@@ -333,7 +333,7 @@ struct __optional_destruct_base<_Tp, true> {
_LIBCPP_HIDE_FROM_ABI constexpr explicit __optional_destruct_base(in_place_t, _Args&&... __args)
: __val_(std::forward<_Args>(__args)...), __engaged_(true) {}
-# if _LIBCPP_STD_VER >= 23
+# if _LIBCPP_STD_VER >= 20
template <class _Fp, class... _Args>
_LIBCPP_HIDE_FROM_ABI constexpr __optional_destruct_base(
__optional_construct_from_invoke_tag, _Fp&& __f, _Args&&... __args)
@@ -709,7 +709,7 @@ public:
this->__construct_from(std::move(__v));
}
-# if _LIBCPP_STD_VER >= 23
+# if _LIBCPP_STD_VER >= 20
template <class _Tag,
class _Fp,
class... _Args,
@@ -862,7 +862,7 @@ public:
return this->has_value() ? std::move(this->__get()) : static_cast<value_type>(std::forward<_Up>(__v));
}
-# if _LIBCPP_STD_VER >= 23
+# if _LIBCPP_STD_VER >= 20
template <class _Func>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_THROW_BAD_OPTIONAL_ACCESS constexpr auto and_then(_Func&& __f) & {
using _Up = invoke_result_t<_Func, value_type&>;
@@ -972,7 +972,7 @@ public:
return std::move(*this);
return std::forward<_Func>(__f)();
}
-# endif // _LIBCPP_STD_VER >= 23
+# endif // _LIBCPP_STD_VER >= 20
using __base::reset;
};
|
