Cargo Features

[dependencies]
iffi = { version = "0.0.2", default-features = false, features = ["std", "alloc", "atomics"] }
default = atomics, std

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

std default = alloc
alloc std

Enables smallvec

atomics default

Iffi has 4 features without comments.