Cargo Features

type-rules has no features set by default.

[dependencies]
type-rules = { version = "0.2.3", features = ["derive", "regex", "serde"] }
derive = type-rules-derive

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

regex implicit feature
serde implicit feature

Enables serde

serde:

A generic serialization/deserialization framework

type-rules-derive derive?