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Core: WithPick

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git-svn-id: svn://ultimatepp.org/upp/trunk@7279 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2014-04-18 18:44:22 +00:00
parent ff217d5a92
commit 768bbb9c3b
1 changed files with 22 additions and 6 deletions
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28
uppsrc/Core/Topt.h
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@ -267,12 +267,13 @@ public:
template <class T>
class WithDeepCopy : public T {
public:
WithDeepCopy(const T& a) : T(a, 1) {}
WithDeepCopy(const WithDeepCopy& a) : T(a, 1) {}
WithDeepCopy& operator=(const WithDeepCopy& a) { (T&)*this <<= a; return *this; }
WithDeepCopy(int, T rval_ a) : T(a) {}
WithDeepCopy& operator^=(T rval_ a) { (T&)*this = pick(a); return *this; }
WithDeepCopy() {}
WithDeepCopy(const T& a) : T(clone(a)) {}
WithDeepCopy(const WithDeepCopy& a) : T(clone(a)){}
WithDeepCopy& operator=(const WithDeepCopy& a) { (T&)*this = clone(a); return *this; }
WithDeepCopy& operator=(const T& a) { (T&)*this = clone(a); return *this; }
// WithDeepCopy(int, T rval_ a) : T(a) {}
// WithDeepCopy& operator^=(T rval_ a) { (T&)*this = pick(a); return *this; }
WithDeepCopy() {}
};
template <class T>
@ -281,6 +282,21 @@ WithDeepCopy<T> DeepClone(const T& src)
return WithDeepCopy<T>(src);
}
template <class T>
class WithPick : public T {
public:
WithPick(const T& a) : T(pick(a)) {}
WithPick(const WithPick& a) : T(pick(a)) {}
WithPick& operator=(const WithPick& a) { (T&)*this = pick(a); return *this; }
WithPick& operator=(const T& a) { (T&)*this = pick(a); return *this; }
};
template <class T>
WithPick<T> AsPick(T rval src)
{
return WithPick<T>(src);
}
// STL compatibility hacks
#define STL_ITERATOR_COMPATIBILITY \