Cargo Features

list_flattener has no features set by default.

[dependencies]
list_flattener = { version = "0.3.0", features = ["fuzz"] }
fuzz = afl

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.

afl fuzz?

Enables afl ^0.6