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c++ Programming Glossary: uninitialized_allocator

Performance degradation due to default initialisation of elements in standard containers

http://stackoverflow.com/questions/15952412/performance-degradation-due-to-default-initialisation-of-elements-in-standard-co

avoiding the default initialization by providing it with a uninitialized_allocator . This is no longer standard compliant but works very well for..

Avoiding default construction of elements in standard containers

http://stackoverflow.com/questions/7218574/avoiding-default-construction-of-elements-in-standard-containers

vector #include memory #include algorithm #include cassert uninitialized_allocator adapts a given base allocator uninitialized_allocator's behavior.. uninitialized_allocator adapts a given base allocator uninitialized_allocator's behavior is equivalent to the base except for its no argument.. typename T typename BaseAllocator std allocator T struct uninitialized_allocator BaseAllocator template rebind T other typedef typename BaseAllocator..