Cargo Features

[dependencies]
smallvec-stableunion = { version = "0.6.10", default-features = false, features = ["std", "may_dangle", "serde"] }
default = std

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

std default
union specialization may_dangle

Features from optional dependencies

serde implicit feature

Enables serde

serde:

A generic serialization/deserialization framework