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Add ReferenceWrapper

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sha512sum 2024-02-27 18:40:25 +00:00
parent a970526e4b
commit f96c92fdd6
1 changed files with 41 additions and 0 deletions
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include/utempl/reference_wrapper.hpp Normal file
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#pragma once
namespace utempl {
template <typename T>
struct ReferenceWrapper;
template <typename T>
struct ReferenceWrapper<T&&> {
inline constexpr auto operator*() -> T& {
return this->value;
};
inline constexpr auto operator->() -> T* {
return &this->value;
};
T&& value;
};
template <typename T>
struct ReferenceWrapper<const T&> {
inline constexpr auto operator*() -> const T& {
return this->value;
};
inline constexpr auto operator->() -> const T* {
return &this->value;
};
const T& value;
};
template <typename T>
struct ReferenceWrapper<T&> {
inline constexpr auto operator*() -> T& {
return this->value;
};
inline constexpr auto operator->() -> T* {
return &this->value;
};
T& value;
};
} // namespace utempl