Cargo Features

Caves has no features set by default.

caves = { version = "0.2.1", features = ["with-rocksdb"] }
with-rocksdb = rocksdb

Affects caves::RocksDBCave

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

rocksdb with-rocksdb?

Enables rocksdb ^0.15