Cargo Features

yaxpeax-pic18 has no features set by default.

[dependencies]
yaxpeax-pic18 = { version = "0.1.1", features = ["use-serde"] }
use-serde = serde, serde_derive

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features.

serde use-serde?
serde_derive use-serde?