Cargo Features

query_map has no features set by default.

[dependencies]
query_map = { version = "0.7.0", features = ["serde", "url-query"] }
serde = serde_crate, serde_derive

Affects query_map::serde

url-query = form_urlencoded

Features from optional dependencies

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

form_urlencoded url-query?
serde_crate serde?

Enables serde

serde_derive serde?