Cargo Features

[dependencies]
pure_decimal = { version = "0.0.7", default-features = false, features = ["clippy", "serde"] }
default = serde

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

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.

clippy implicit feature

Enables clippy

clippy:

A bunch of helpful lints to avoid common pitfalls in Rust

serde default