Cargo Features

service_book has no features set by default.

[dependencies]
service_book = { version = "0.1.2", features = ["discover"] }
discover = reqwest

Affects service_book::discover

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.

reqwest discover?

Enables reqwest ^0.9.19