Cargo Features

Dia-IP-Range has no features set by default.

[dependencies]
dia-ip-range = { version = "0.10.0", features = ["std", "iter"] }
std
iter = perm

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.

perm iter?