Cargo Features

[dependencies]
ls_rules = { version = "0.4.1", default-features = false, features = ["std", "alloc"] }
default = std

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

std default

Enables std of serde

serde:

Provide impls for common standard library types like Vec<T> and HashMap<K, V>.
Requires a dependency on the Rust standard library.

alloc

Enables alloc of serde

serde:

Provide impls for types in the Rust core allocation and collections library including String, Box<T>, Vec<T>, and Cow<T>. This is a subset of std but may be enabled without depending on all of std.

LsRules has 3 features without comments.