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xo-gc xo-object2 xo-facet: builds w/ ISequence,Dlist

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This commit is contained in:
Roland Conybeare 2025-12-29 14:32:52 -05:00
commit afc44e71fa
26 changed files with 717 additions and 75 deletions
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14
xo-object2/include/xo/object2/DList.hpp
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@ -11,13 +11,23 @@ namespace xo {
namespace scm {
struct DList {
using size_type = std::size_t;
using AGCObject = xo::mm::AGCObject;
DList(xo::obj<AGCObject> h,
xo::obj<AGCObject> r) : head_{h}, rest_{r} {}
DList * r) : head_{h}, rest_{r} {}
/** DList length is at least 1 **/
bool is_empty() const noexcept { return false; };
/** DList models a finite sequence **/
bool is_finite() const noexcept { return true; };
/** return number of elements in this DList **/
size_type size() const noexcept;
/** return element at 0-based index @p ix **/
obj<AGCObject> at(size_type ix) const;
obj<AGCObject> head_;
obj<AGCObject> rest_;
DList * rest_ = nullptr;
};
} /*namespace scm*/