Cargo Features

[dependencies]
lsm = { version = "0.1.0", default-features = false, features = ["snappy-compression", "sync"] }
default = snappy-compression

The snappy-compression feature is set by default whenever lsm is added without default-features = false somewhere in the dependency tree.

snappy-compression default = snap
sync

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.

snap snappy-compression