Module migrate_v0_to_v1

Structs

MetadataV0 🔒

Functions

init_mmap 🔒

Initialize a read-only mmap

maybe_migrate

If metadata.bin is exactly the old size, rename to .bin.old, mmap it as MetadataV0, then create a fresh v1 file and copy all fields except the deprecated u32. Returns a bool indicating whether a migration was performed or not.