65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
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// File: crn_helpers.h
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// See Copyright Notice and license at the end of inc/crnlib.h
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#pragma once
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#define CRNLIB_NO_COPY_OR_ASSIGNMENT_OP(c) c(const c&); c& operator= (const c&);
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#define CRNLIB_NO_HEAP_ALLOC() private: static void* operator new(size_t); static void* operator new[](size_t);
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namespace crnlib
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{
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namespace helpers
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{
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template<typename T> struct rel_ops
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{
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friend bool operator!=(const T& x, const T& y) { return (!(x == y)); }
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friend bool operator> (const T& x, const T& y) { return (y < x); }
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friend bool operator<=(const T& x, const T& y) { return (!(y < x)); }
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friend bool operator>=(const T& x, const T& y) { return (!(x < y)); }
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};
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template <typename T>
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inline T* construct(T* p)
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{
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return new (static_cast<void*>(p)) T;
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}
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template <typename T, typename U>
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inline T* construct(T* p, const U& init)
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{
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return new (static_cast<void*>(p)) T(init);
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}
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template <typename T>
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inline void construct_array(T* p, uint n)
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{
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T* q = p + n;
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for ( ; p != q; ++p)
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new (static_cast<void*>(p)) T;
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}
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template <typename T, typename U>
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inline void construct_array(T* p, uint n, const U& init)
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{
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T* q = p + n;
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for ( ; p != q; ++p)
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new (static_cast<void*>(p)) T(init);
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}
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template <typename T>
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inline void destruct(T* p)
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{
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p;
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p->~T();
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}
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template <typename T> inline void destruct_array(T* p, uint n)
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{
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T* q = p + n;
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for ( ; p != q; ++p)
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p->~T();
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}
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} // namespace helpers
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} // namespace crnlib
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