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Simplified swapping

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Ion Gaztañaga
2015-06-04 11:42:27 +02:00
parent 2ee17d108e
commit 4f9d397507
1 changed files with 9 additions and 13 deletions
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22
include/boost/container/string.hpp
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@@ -111,8 +111,7 @@ class basic_string_base
~basic_string_base()
{
if(!this->is_short()){
this->deallocate_block();
this->is_short(true);
this->deallocate(this->priv_long_addr(), this->priv_long_storage());
}
}
@@ -131,15 +130,14 @@ class basic_string_base
long_t(const long_t &other)
{
this->is_short = other.is_short;
this->is_short = false;
length = other.length;
storage = other.storage;
start = other.start;
}
long_t &operator =(const long_t &other)
long_t &operator= (const long_t &other)
{
this->is_short = other.is_short;
length = other.length;
storage = other.storage;
start = other.start;
@@ -420,21 +418,19 @@ class basic_string_base
}
else{
short_t short_backup(this->members_.m_repr.short_repr());
long_t long_backup (other.members_.m_repr.long_repr());
this->members_.m_repr.short_repr().~short_t();
::new(&this->members_.m_repr.long_repr()) long_t(other.members_.m_repr.long_repr());
other.members_.m_repr.long_repr().~long_t();
::new(&this->members_.m_repr.long_repr()) long_t;
this->members_.m_repr.long_repr() = long_backup;
other.members_.m_repr.short_repr() = short_backup;
::new(&other.members_.m_repr.short_repr()) short_t(short_backup);
}
}
else{
if(other.is_short()){
short_t short_backup(other.members_.m_repr.short_repr());
long_t long_backup (this->members_.m_repr.long_repr());
other.members_.m_repr.short_repr().~short_t();
::new(&other.members_.m_repr.long_repr()) long_t(this->members_.m_repr.long_repr());
this->members_.m_repr.long_repr().~long_t();
::new(&other.members_.m_repr.long_repr()) long_t;
other.members_.m_repr.long_repr() = long_backup;
this->members_.m_repr.short_repr() = short_backup;
::new(&this->members_.m_repr.short_repr()) short_t(short_backup);
}
else{
boost::adl_move_swap(this->members_.m_repr.long_repr(), other.members_.m_repr.long_repr());