Cargo Features

[dependencies]
num-bigint = { version = "0.4.5", default-features = false, features = ["std", "quickcheck", "rand", "serde", "arbitrary"] }
default = std

The std feature is set by default whenever num-bigint is added without default-features = false somewhere in the dependency tree.

std default

Enables std of num-integer and num-traits

quickcheck

Enables quickcheck

rand

Enables rand

serde

Enables serde

arbitrary

Enables arbitrary

num-bigint has 6 features without comments.