![maintenance: passively maintained](https://img.shields.io/badge/maintenance-passively--maintained-yellowgreen.svg) # phantom-type A `PhantomData` analog which prevents "parameter is never used" error, but does not produce any restrictions in contrast with `PhantomData`. ## Optional `no_std` If your crate has `std` feature, use the following method to specify `phantom-type` dependency: ```toml [features] default = ["std"] std = ["phantom-type/std"] [dependencies] phantom-type = { version = "*", default-features = false } ```