"I have implemented manual memory management via cpp/new and cpp/delete. This uses jank's GC allocator (currently bdwgc), rather than malloc, so using cpp/delete isn't generally needed. However, if cpp/delete is used then memory collection can be eager and more deterministic.
The implementation has full bdwgc support for destructors as well, so both manual deletion and automatic collection will trigger non-trivial destructors."
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It's the first section in the article -
"I have implemented manual memory management via cpp/new and cpp/delete. This uses jank's GC allocator (currently bdwgc), rather than malloc, so using cpp/delete isn't generally needed. However, if cpp/delete is used then memory collection can be eager and more deterministic.
The implementation has full bdwgc support for destructors as well, so both manual deletion and automatic collection will trigger non-trivial destructors."