Cargo Features

[dependencies]
gd32f3 = { version = "0.1.0-alpha.1", default-features = false, features = ["rt", "gd32f303"] }
default = rt

The rt feature is set by default whenever gd32f3 is added without default-features = false somewhere in the dependency tree.

rt default

Enables device of cortex-m-rt

gd32f303

Affects gd32f3::gd32f303

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.

cortex-m-rt rt