That sounds similar to the memory regions proposal[1], which is what came out of what was learned from tinkering with arenas.
[1] https://github.com/golang/go/discussions/70257
Indeed, but then I wouldn't call it a "big miss" (the title of the article, which doesn't mention regions either).
Indeed, but then I wouldn't call it a "big miss" (the title of the article, which doesn't mention regions either).