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Fixes #38

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This commit is contained in:
Ion Gaztañaga
2019-02-12 23:20:49 +01:00
parent 3618260489
commit 9137a38982
3 changed files with 10 additions and 7 deletions
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1
doc/intrusive.qbk
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@@ -3886,6 +3886,7 @@ to be inserted in intrusive containers are allocated using `std::vector` or `std
* Fixed bugs:
* [@https://github.com/boostorg/intrusive/pull/33 GitHub Pull #33: ['Fix compilation in case if key is void*, again]]
* [@https://github.com/boostorg/intrusive/issues/35 GitHub Issue #35: ['key_of_value on treap_set seems to be broken in 1.69]]
* [@https://github.com/boostorg/intrusive/issues/38 GitHub Issue #38: ['treap: Same type for priority and key comparison leads to ambiguous base class error]]
[endsect]

6
include/boost/intrusive/detail/ebo_functor_holder.hpp
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@@ -158,7 +158,7 @@ template<typename T>
struct is_unary_or_binary_function : is_unary_or_binary_function_impl<T>
{};
template<typename T, bool = is_unary_or_binary_function<T>::value>
template<typename T, typename Tag = void, bool = is_unary_or_binary_function<T>::value>
class ebo_functor_holder
{
BOOST_COPYABLE_AND_MOVABLE(ebo_functor_holder)
@@ -222,8 +222,8 @@ class ebo_functor_holder
T t_;
};
template<typename T>
class ebo_functor_holder<T, false>
template<typename T, typename Tag>
class ebo_functor_holder<T, Tag, false>
: public T
{
BOOST_COPYABLE_AND_MOVABLE(ebo_functor_holder)

10
include/boost/intrusive/treap.hpp
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@@ -66,6 +66,8 @@ struct treap_prio_types
>::type priority_compare;
};
struct treap_tag;
/// @endcond
//! The class template treap is an intrusive treap container that
@@ -92,7 +94,7 @@ class treap_impl
//Use public inheritance to avoid MSVC bugs with closures
, public detail::ebo_functor_holder
< typename treap_prio_types<typename ValueTraits::pointer, VoidOrPrioOfValue, VoidOrPrioComp>::priority_compare
>
, treap_tag>
/// @endcond
{
public:
@@ -104,10 +106,10 @@ class treap_impl
typedef tree_type implementation_defined;
typedef treap_prio_types
< typename ValueTraits::pointer
, VoidOrPrioOfValue, VoidOrPrioComp> treap_prio_types_t;
, VoidOrPrioOfValue, VoidOrPrioComp> treap_prio_types_t;
typedef detail::ebo_functor_holder
<typename treap_prio_types_t::priority_compare> prio_base;
<typename treap_prio_types_t::priority_compare, treap_tag> prio_base;
/// @endcond
@@ -173,7 +175,7 @@ class treap_impl
//! constructor throws (this does not happen with predefined Boost.Intrusive hooks)
//! or the copy constructor of the value_compare/priority_compare objects throw. Basic guarantee.
treap_impl()
: tree_type(), prio_base(priority_compare())
: tree_type(), prio_base()
{}
//! <b>Effects</b>: Constructs an empty container.