Cargo Features

[dependencies]
encode = { version = "0.1.2", default-features = false, features = ["std", "alloc", "arrayvec"] }
default = std

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

std default = alloc
alloc std
arrayvec

Enables arrayvec

Encode has 4 features without comments.