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Added vector_shrink_to_fit to llstl.h

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Shyotl
2014-11-22 22:02:20 -06:00
parent 6e537cd322
commit be9d417778
2 changed files with 14 additions and 8 deletions
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13
indra/llcommon/llstl.h
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@@ -287,6 +287,19 @@ inline T* vector_append(std::vector<T>& invec, S32 N)
return &(invec[sz]);
}
template <typename T>
inline void vector_shrink_to_fit(std::vector<T>& invec)
{
//For Windows: We always assume vs2010 or later, which support this c++11 feature with no configuration needed.
//For GCC: __cplusplus >= 201103L indicates C++11 support. __GXX_EXPERIMENTAL_CXX0X being set indicates experimental c++0x support. C++11 support replaces C++0x support.
// std::vector::shrink_to_fit was added to GCCs C++0x implementation in version 4.5.0.
#if defined(LL_WINDOWS) || __cplusplus >= 201103L || (defined(__GXX_EXPERIMENTAL_CXX0X) && __GNUC_MINOR__ >= 5)
invec.shrink_to_fit();
#else
invec(invec.begin(), invec.end()).swap(invec);
#endif
}
// call function f to n members starting at first. similar to std::for_each
template <class InputIter, class Size, class Function>
Function ll_for_n(InputIter first, Size n, Function f)