Cargo Features

BeachMap has no features set by default.

[dependencies]
beach_map = { version = "0.3.0", 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

serde:

A generic serialization/deserialization framework

rayon parallel?