EmsiaetKadosh
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
//
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// Created by EmsiaetKadosh on 25-1-18.
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//
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#include "def.h"
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#include "exception.h"
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template<TypeName Base> Base& ObjectHolder<Base>::operator->() noexcept(false) {
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if (value) return *value;
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throw NullPointerException(L"value is null");
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}
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template<TypeName Base> const Base& ObjectHolder<Base>::operator->() const noexcept(false) {
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if (value) return *value;
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throw NullPointerException(L"value is null");
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}
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template<TypeName Base> Base& ObjectHolder<Base>::operator*() noexcept(false) {
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if (value) return *value;
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throw NullPointerException(L"value is null");
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}
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template<TypeName Base> const Base& ObjectHolder<Base>::operator*() const noexcept(false) {
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if (value) return *value;
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throw NullPointerException(L"value is null");
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}
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template<TypeName Base> template<NewCopyable T> requires std::is_base_of_v<Base, T> && TypeName<T>
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void ObjectHolder<Base>::set(const T& value) {
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if (!value) this->value = new T(value);
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else {
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if (hasValue) delete this->value;
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this->value = new T(value);
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}
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}
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template<TypeName Base> template<NewMoveable T> requires std::is_base_of_v<Base, T> && TypeName<T>
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void ObjectHolder<Base>::set(T&& value) {
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if (!value) this->value = new T(value);
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else {
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if (hasValue) delete this->value;
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this->value = new T(value);
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}
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}
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template<TypeName T> const T& Reference<T>::getLvalue() const noexcept(false) {
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if (type == ReferenceValueType::LVALUE) return *lvalue;
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throw NullPointerException(L"reference is rvalue");
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}
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template<TypeName T> T&& Reference<T>::getRvalue() noexcept(false) {
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if (type == ReferenceValueType::RVALUE) return std::move(*rvalue);
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throw NullPointerException(L"reference is lvalue");
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}
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