Cargo Features

rotenv has no features set by default.

[dependencies]
rotenv = { version = "0.15.0", features = ["cli"] }
cli = clap

Required by the dotenv 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.

clap cli?

Enables clap ^3