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The bind and function functor constructors and assignment operators were overly general and getting confused with the copy constructor and copy assignment operators. Constrained them. This fixes http://llvm.org/bugs/show_bug.cgi?id=16385

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185297 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2013-07-01 00:01:51 +00:00
parent c05e98660f
commit 099dec1ba0
2 changed files with 59 additions and 7 deletions
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31
include/functional
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@@ -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)
@@ -1749,7 +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)
@@ -1814,7 +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),