Features from optional dependencies

chrono implicit feature

Enables chrono

chrono:

Date and time library for Rust

fraction implicit feature

Enables fraction ^0.14

fraction:

Lossless fractions and decimals; drop-in float replacement

ipnet implicit feature
ordered-float implicit feature

Enables ordered-float

ordered-float:

Wrappers for total ordering on floats

smallvec implicit feature

Enables smallvec

smallvec:

'Small vector' optimization: store up to a small number of items on the stack

time implicit feature
uuid implicit feature

Enables uuid

uuid:

A library to generate and parse UUIDs