Cargo Features

[dependencies]
runtime_injector = { version = "0.4.0", default-features = false, features = ["arc", "rc"] }
default = arc

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

arc default

Svc<T> = Arc<T>

rc

Svc<T> = Rc<T>