Cargo Features

compound_factor_iter has no features set by default.

[dependencies]
compound_factor_iter = { version = "0.1.1", features = ["letter_distribution"] }
letter_distribution = rand, rand_pcg

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 letter_distribution?
rand_pcg letter_distribution?