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fixed very strange VC++ bug that was showing up in graph/test/graph.cpp

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Something about the code gen for compressed_pair_1::operator=
was going wrong. Writing it explicitly, and playing with some ordering
fixed the problem, don't ask my why.


[SVN r8765]
This commit is contained in:
Jeremy Siek 2001-01-25 04:45:52 +00:00
parent 6caf7d4d5a
commit e5c81d0702
1 changed files with 32 additions and 0 deletions
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32
include/boost/detail/ob_compressed_pair.hpp
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@ -113,6 +113,16 @@ public:
compressed_pair_0(const ::boost::compressed_pair<T1,T2>& x)
: _first(x.first()), _second(x.second()) {}
#if 0
compressed_pair_0& operator=(const compressed_pair_0& x) {
cout << "assigning compressed pair 0" << endl;
_first = x._first;
_second = x._second;
cout << "finished assigning compressed pair 0" << endl;
return *this;
}
#endif
first_reference first() { return _first; }
first_const_reference first() const { return _first; }
@ -145,14 +155,27 @@ public:
compressed_pair_1() : T2(), _first() {}
compressed_pair_1(first_param_type x, second_param_type y) : T2(y), _first(x) {}
template <class A>
explicit compressed_pair_1(const A& val)
{
init_one<best_conversion_traits<A, T1, T2>::value>::init(val, &_first, static_cast<T2*>(this));
}
compressed_pair_1(const ::boost::compressed_pair<T1,T2>& x)
: T2(x.second()), _first(x.first()) {}
#ifdef BOOST_MSVC
// Total weirdness. If the assignment to _first is moved after
// the call to the inherited operator=, then this breaks graph/test/graph.cpp
// by way of iterator_adaptor.
compressed_pair_1& operator=(const compressed_pair_1& x) {
_first = x._first;
T2::operator=(x);
return *this;
}
#endif
first_reference first() { return _first; }
first_const_reference first() const { return _first; }
@ -193,6 +216,15 @@ public:
compressed_pair_2(const ::boost::compressed_pair<T1,T2>& x)
: T1(x.first()), _second(x.second()) {}
#if 0
compressed_pair_2& operator=(const compressed_pair_2& x) {
cout << "assigning compressed pair 2" << endl;
T1::operator=(x);
_second = x._second;
cout << "finished assigning compressed pair 2" << endl;
return *this;
}
#endif
first_reference first() { return *this; }
first_const_reference first() const { return *this; }