58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/** @file DBoolean.hpp
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*
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* @author Roland Conybeare, Dec 2025
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**/
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#pragma once
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#include <xo/alloc2/Collector.hpp>
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#include <xo/alloc2/Allocator.hpp>
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#include <xo/indentlog/print/ppindentinfo.hpp>
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#include <xo/facet/obj.hpp>
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#include <cstdint>
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namespace xo {
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namespace scm {
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struct DBoolean {
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using AAllocator = xo::mm::AAllocator;
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using ACollector = xo::mm::ACollector;
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using AGCObject = xo::mm::AGCObject;
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using ppindentinfo = xo::print::ppindentinfo;
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using value_type = long;
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explicit DBoolean(bool x) : value_{x} {}
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/** will likely want this to default to ANumeric, once we have it **/
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template <typename AFacet = AGCObject>
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static obj<AFacet, DBoolean> box(obj<AAllocator> mm, bool x);
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/** allocate boxed value @p x using memory from @p mm **/
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static DBoolean * _box(obj<AAllocator> mm, bool x);
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bool value() const noexcept { return value_; }
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bool pretty(const ppindentinfo & ppii) const;
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operator bool() const noexcept { return value_; }
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// GCObject facet
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std::size_t shallow_size() const noexcept;
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DBoolean * shallow_move(obj<AAllocator> mm) const noexcept;
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std::size_t forward_children(obj<ACollector> gc) noexcept;
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private:
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/** boxed boolean value **/
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bool value_ = false;
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};
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template <typename AFacet>
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obj<AFacet, DBoolean>
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DBoolean::box(obj<AAllocator> mm, bool x) {
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return obj<AFacet,DBoolean>(_box(mm, x));
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}
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} /*nmaespace obj*/
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} /*namespace xo*/
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/* end DBoolean.hpp */
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