Cargo Features

NTree has no features set by default.

[dependencies]
ntree = { version = "0.1.0", features = ["nightly", "bench"] }
nightly bench?
bench = nightly, rand

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.

rand bench?

Enables rand ^0.3