Cargo Features

[dependencies]
functional_vec = { version = "0.2.0", default-features = false, features = ["smallvec", "vecdeque", "vec"] }
default = vec, vecdeque

These default features are set whenever functional_vec is added without default-features = false somewhere in the dependency tree.

smallvec

Enables smallvec

vecdeque default
vec default

FunctionalVec has 4 features without comments.