Cargo Features

pyo3-chrono has no features set by default.

[dependencies]
pyo3-chrono = { version = "0.5.1", features = ["serde"] }
serde = serde_

Enables serde of chrono

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.

serde_ serde?

Enables serde