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