Rust has typesafe arenas, when one allocates small objects from a bigger chunk of memory and typesystem ensures that small objects do not outlive the chunk. I s

Rust has typesafe arenas, when one allocates small objects from a bigger chunk of memory and typesystem ensures that small objects do not outlive the chunk. I suppose mmap files could be treated similarly when assembling a pointer from an offset stored in the mmaped file is treated as an allocation.