?? csm2.hpp
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/* The following code example is taken from the book * "C++ Templates - The Complete Guide" * by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002 * * (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002. * Permission to copy, use, modify, sell and distribute this software * is granted provided this copyright notice appears in all copies. * This software is provided "as is" without express or implied * warranty, and with no claim as to its suitability for any purpose. */#include <cstring>#include <cassert>#include <stddef.h>#include "csm1.hpp"// partial specialization for fast bitwise copying of objectstemplate <typename T>class BitOrClassCSM<T,true> : public BitOrClassCSM<T,false> { public: static void copy_n (T const* src, T* dst, size_t n) { // copy n items onto n other ones std::memcpy((void*)dst, (void*)src, n); } static void copy_init_n (T const* src, void* dst, size_t n) { // copy n items onto uninitialized storage std::memcpy(dst, (void*)src, n); } static void move_n (T* src, T* dst, size_t n) { // move n items onto n other ones assert(src != dst); std::memcpy((void*)dst, (void*)src, n); } static void move_init_n (T const* src, void* dst, size_t n) { // move n items onto uninitialized storage assert(src != dst); std::memcpy(dst, (void*)src, n); }};
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