Cargo Features
NamedTuple has no features set by default.
[dependencies]
named_tuple = { version = "0.1.3", features = ["dump", "serde"] }- dump = rustfmt-nightly, term
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.