37 lines
1 KiB
C++
37 lines
1 KiB
C++
/* @file Integer.hpp
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*
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* author: Roland Conybeare, Aug 2025
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*/
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#include "Number.hpp"
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namespace xo {
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namespace obj {
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class Integer : public Number {
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public:
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using int_type = long long;
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public:
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Integer() = default;
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explicit Integer(int_type x);
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/** create instance holding integer value @p x **/
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static gp<Integer> make(int_type x);
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/** downcast from @p x iff x is actually an Integer. Otherwise nullptr **/
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static gp<Integer> from(gp<Object> x);
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int_type value() const { return value_; }
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// inherited from Object..
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virtual TaggedPtr self_tp() const final override;
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virtual std::size_t _shallow_size() const final override;
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virtual Object * _shallow_copy() const final override;
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virtual std::size_t _forward_children() final override;
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private:
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int_type value_ = 0;
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};
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} /*namespace obj*/
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} /*namespace xo*/
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/* end Integer.hpp */
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