Cargo Features

Superpixel has no features set by default.

[dependencies]
superpixel = { version = "0.1.1", features = ["build-binary"] }
build-binary = docopt

Required by the binary

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.

docopt build-binary?

Enables docopt ^0.6