Cargo Features

[dependencies]
flipflop = { version = "0.1.0", default-features = false, features = ["std", "alloc", "rand", "nightly"] }
default = rand, std

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

std default = alloc

Enables std and std_rng of rand

alloc std
rand default std

Enables rand

nightly

flipflop has 5 features without comments.