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57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
#ifndef OPENMW_COMPONENTS_DETOURNAVIGATOR_REF_H
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#define OPENMW_COMPONENTS_DETOURNAVIGATOR_REF_H
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#include <algorithm>
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#include <cassert>
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#include <iterator>
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namespace DetourNavigator
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{
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template <typename T>
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struct Ref
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{
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T& mRef;
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constexpr explicit Ref(T& ref) noexcept : mRef(ref) {}
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friend bool operator==(const Ref& lhs, const Ref& rhs)
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{
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return lhs.mRef == rhs.mRef;
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}
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};
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template <typename T, std::size_t size>
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struct ArrayRef
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{
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T (&mRef)[size];
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constexpr explicit ArrayRef(T (&ref)[size]) noexcept : mRef(ref) {}
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friend bool operator==(const ArrayRef& lhs, const ArrayRef& rhs)
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{
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return std::equal(std::begin(lhs.mRef), std::end(lhs.mRef), std::begin(rhs.mRef));
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}
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};
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template <typename T>
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struct Span
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{
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T* mBegin;
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T* mEnd;
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constexpr explicit Span(T* data, int size) noexcept
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: mBegin(data)
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, mEnd(data + static_cast<std::size_t>(size))
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{}
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friend bool operator==(const Span& lhs, const Span& rhs)
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{
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// size is already equal if headers are equal
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assert((lhs.mEnd - lhs.mBegin) == (rhs.mEnd - rhs.mBegin));
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return std::equal(lhs.mBegin, lhs.mEnd, rhs.mBegin);
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}
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};
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}
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#endif
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