Cargo Features

[dependencies]
num-traits = { version = "0.2.18", default-features = false, features = ["std", "i128", "libm"] }
default = std

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

std default

Affects float::Float

i128

vestigial features, now always in effect

Features from optional dependencies

libm implicit feature

Enables libm

libm:

libm in pure Rust

Affects float::Float