Cargo Features

Etterna has no features set by default.

[dependencies]
etterna = { version = "0.1.0", features = ["parallel", "serde"] }
parallel = rayon

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.

serde implicit feature

Enables serde

implicit 'serde' feature

rayon parallel?