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xo-alloc2: DX1CollectorIterator infra [WIP]

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This commit is contained in:
Roland Conybeare 2025-12-17 20:16:46 -05:00
commit bf27314688
30 changed files with 1041 additions and 176 deletions
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12
include/xo/alloc2/alloc/AAllocIterator.hpp
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@ -6,6 +6,7 @@
#pragma once
#include "alloc/AllocInfo.hpp"
#include "cmpresult.hpp"
#include <xo/facet/obj.hpp>
namespace xo {
@ -19,7 +20,8 @@ namespace xo {
/** @class AAllocIterator
* @brief Abstract facet for iterating over allocs
*
* Iterator refers to an AllocInfo instance.
* Iterator refers to an AllocInfo instance
* Only supporting forward-allocator.
**/
struct AAllocIterator {
using obj_AAllocIterator = xo::facet::obj<AAllocIterator>;
@ -29,13 +31,11 @@ namespace xo {
/** retrieve AllocInfo for current iterator position
**/
virtual AllocInfo deref(Copaque d) const noexcept = 0;
/** compare alloc iterators @p d and @p other for equality **/
virtual int compare(Copaque d,
const obj_AAllocIterator & other) const noexcept = 0;
/** compare alloc iterators @p d and @p other **/
virtual cmpresult compare(Copaque d,
const obj_AAllocIterator & other) const noexcept = 0;
/** advance iterator to next position **/
virtual void next(Opaque d) const noexcept = 0;
/** retreat iterator to previous position **/
virtual void prev(Opaque d) const noexcept = 0;
};
} /*namespace mm*/
} /*namespace xo*/