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re-engineered sequenced_index::splice(position,x,i)

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so that it works when source and destination belong to the same container
This commit is contained in:
joaquintides 2021-08-08 12:28:50 +02:00
parent 9afc277fd2
commit b26e279b6c
1 changed files with 16 additions and 16 deletions
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32
include/boost/multi_index/sequenced_index.hpp
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@ -513,25 +513,25 @@ public:
BOOST_MULTI_INDEX_CHECK_DEREFERENCEABLE_ITERATOR(i);
BOOST_MULTI_INDEX_CHECK_IS_OWNER(i,x);
BOOST_MULTI_INDEX_SEQ_INDEX_CHECK_INVARIANT;
splice_impl(position,x,i,boost::is_copy_constructible<value_type>());
}
void splice(iterator position,sequenced_index<SuperMeta,TagList>& x,iterator i)
{
BOOST_MULTI_INDEX_CHECK_VALID_ITERATOR(position);
BOOST_MULTI_INDEX_CHECK_IS_OWNER(position,*this);
BOOST_MULTI_INDEX_CHECK_VALID_ITERATOR(i);
BOOST_MULTI_INDEX_CHECK_DEREFERENCEABLE_ITERATOR(i);
BOOST_MULTI_INDEX_CHECK_IS_OWNER(i,x);
BOOST_MULTI_INDEX_SEQ_INDEX_CHECK_INVARIANT;
if(&x==this){
if(position!=i)relink(position.get_node(),i.get_node());
if(x.end().get_node()==this->header()){ /* same container */
index_node_type* pn=position.get_node();
index_node_type* pi=static_cast<index_node_type*>(i.get_node());
if(pn!=pi)relink(pn,pi);
}
else{
splice_impl(position,x,i,boost::is_copy_constructible<value_type>());
}
}
template<typename Index>
BOOST_MULTI_INDEX_ENABLE_IF_MERGEABLE(sequenced_index,Index,void)
splice(
iterator position,BOOST_RV_REF(Index) x,
BOOST_DEDUCED_TYPENAME Index::iterator i)
{
splice(position,static_cast<Index&>(x),i);
}
template<typename Index>
BOOST_MULTI_INDEX_ENABLE_IF_MERGEABLE(sequenced_index,Index,void)
splice(
@ -1077,9 +1077,9 @@ private:
#if defined(BOOST_MULTI_INDEX_ENABLE_SAFE_MODE)
/* MSVC++ 6.0 optimizer has a hard time with safe mode, and the
* following workaround is needed. Left it for all compilers as it
* does no harm.
*/
* following workaround is needed. Left it for all compilers as it
* does no harm.
*/
i.detach();
x.erase(x.make_iterator(i.get_node()));