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xo-alloc2: + Allocator.alloc_range() with DArena input

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Roland Conybeare 2025-12-18 18:34:54 -05:00
commit 181ae9f12b
13 changed files with 158 additions and 59 deletions
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8
include/xo/alloc2/arena/DArenaIterator.hpp
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@ -59,6 +59,14 @@ namespace xo {
**/
static DArenaIterator end(const DArena * arena);
/** Address of allocation header for beginning of alloc range in @p arena **/
static AllocHeader * begin_header(const DArena * arena);
/** Address of allocation header for end of alloc range.
* This is the address of header for _next_ allocation in @p arena
* i.e. free pointer
**/
static AllocHeader * end_header(const DArena * arena);
/** A valid iterator can be compared, at least with itself
* It can be dereferenced if is also non-empty
**/