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move semantics for ref

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This commit is contained in:
Arie Gurfinkel 2017-07-31 14:21:30 -04:00
parent 331eec8a05
commit 1d5713c376
1 changed files with 14 additions and 0 deletions
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14
src/util/ref.h
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@ -50,6 +50,7 @@ public:
inc_ref();
}
ref (ref && r): m_ptr (r.detach ()) {}
~ref() {
dec_ref();
}
@ -89,6 +90,14 @@ public:
return *this;
}
ref & operator=(ref &&r) {
if (this != &r) {
dec_ref ();
m_ptr = r.detach ();
}
return *this;
}
void reset() {
dec_ref();
m_ptr = 0;
@ -107,6 +116,11 @@ public:
friend bool operator!=(const ref & r1, const ref & r2) {
return r1.m_ptr != r2.m_ptr;
}
friend void swap (ref &r1, ref &r2) {
T* tmp = r1.m_ptr;
r1.m_ptr = r2.m_ptr;
r2.m_ptr = tmp;
}
};
/**