Cargo Features

Xrandr has no features set by default.

[dependencies]
xrandr = { version = "0.2.0", features = ["serialize"] }
serialize = serde

Enables serde-1 of indexmap ^1.6.2

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 serialize?