Cargo Features

codesnip_attr has no features set by default.

[dependencies]
codesnip_attr = { version = "0.2.2", features = ["check"] }
check = codesnip_core

Affects codesnip_attr::entry

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.

codesnip_core check?