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-rw-r--r--contrib/libc++/include/functional45
1 files changed, 37 insertions, 8 deletions
diff --git a/contrib/libc++/include/functional b/contrib/libc++/include/functional
index 995db56..d1a6301 100644
--- a/contrib/libc++/include/functional
+++ b/contrib/libc++/include/functional
@@ -1139,8 +1139,11 @@ public:
function(const function&);
function(function&&) _NOEXCEPT;
template<class _Fp>
- function(_Fp,
- typename enable_if<__callable<_Fp>::value>::type* = 0);
+ function(_Fp, typename enable_if
+ <
+ __callable<_Fp>::value &&
+ !is_same<_Fp, function>::value
+ >::type* = 0);
template<class _Alloc>
_LIBCPP_INLINE_VISIBILITY
@@ -1162,7 +1165,8 @@ public:
template<class _Fp>
typename enable_if
<
- __callable<typename decay<_Fp>::type>::value,
+ __callable<typename decay<_Fp>::type>::value &&
+ !is_same<typename remove_reference<_Fp>::type, function>::value,
function&
>::type
operator=(_Fp&&);
@@ -1266,7 +1270,11 @@ function<_Rp(_ArgTypes...)>::function(allocator_arg_t, const _Alloc&,
template<class _Rp, class ..._ArgTypes>
template <class _Fp>
function<_Rp(_ArgTypes...)>::function(_Fp __f,
- typename enable_if<__callable<_Fp>::value>::type*)
+ typename enable_if
+ <
+ __callable<_Fp>::value &&
+ !is_same<_Fp, function>::value
+ >::type*)
: __f_(0)
{
if (__not_null(__f))
@@ -1370,7 +1378,8 @@ template<class _Rp, class ..._ArgTypes>
template <class _Fp>
typename enable_if
<
- function<_Rp(_ArgTypes...)>::template __callable<typename decay<_Fp>::type>::value,
+ function<_Rp(_ArgTypes...)>::template __callable<typename decay<_Fp>::type>::value &&
+ !is_same<typename remove_reference<_Fp>::type, function<_Rp(_ArgTypes...)>>::value,
function<_Rp(_ArgTypes...)>&
>::type
function<_Rp(_ArgTypes...)>::operator=(_Fp&& __f)
@@ -1594,12 +1603,24 @@ template <class _Ti, bool IsReferenceWrapper, bool IsBindEx, bool IsPh,
class _TupleUj>
struct ____mu_return;
+template <bool _Invokable, class _Ti, class ..._Uj>
+struct ____mu_return_invokable // false
+{
+ typedef __nat type;
+};
+
template <class _Ti, class ..._Uj>
-struct ____mu_return<_Ti, false, true, false, tuple<_Uj...> >
+struct ____mu_return_invokable<true, _Ti, _Uj...>
{
typedef typename __invoke_of<_Ti&, _Uj...>::type type;
};
+template <class _Ti, class ..._Uj>
+struct ____mu_return<_Ti, false, true, false, tuple<_Uj...> >
+ : public ____mu_return_invokable<__invokable<_Ti&, _Uj...>::value, _Ti, _Uj...>
+{
+};
+
template <class _Ti, class _TupleUj>
struct ____mu_return<_Ti, false, false, true, _TupleUj>
{
@@ -1737,7 +1758,9 @@ public:
template <class _Gp, class ..._BA,
class = typename enable_if
<
- is_constructible<_Fd, _Gp>::value
+ is_constructible<_Fd, _Gp>::value &&
+ !is_same<typename remove_reference<_Gp>::type,
+ __bind>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
explicit __bind(_Gp&& __f, _BA&& ...__bound_args)
@@ -1802,7 +1825,13 @@ public:
#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
- template <class _Gp, class ..._BA>
+ template <class _Gp, class ..._BA,
+ class = typename enable_if
+ <
+ is_constructible<_Fd, _Gp>::value &&
+ !is_same<typename remove_reference<_Gp>::type,
+ __bind_r>::value
+ >::type>
_LIBCPP_INLINE_VISIBILITY
explicit __bind_r(_Gp&& __f, _BA&& ...__bound_args)
: base(_VSTD::forward<_Gp>(__f),
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