::dyn_safe

Take control of the Semver hazard of the dyn safety of your traits!

Usage

1. cargo add dyn_safe, or add the following to your Cargo.toml file:

   toml [dependencies] dyn_safe = "x.y.z"

   • where you can find the version using cargo search dyn_safe

2. Add the following to your lib.rs file:

   ```rust

   [macro_use]

   extern crate dyn_safe; ```

3. Use #[dyn_safe(true)] or #[dyn_safe(false)] to, respectively, assert that the trait object is dyn-safe or that the trait object should not be dyn-safe.

   • ```rust

     [macro_use]

     extern crate dyn_safe;

     [dyn_safe(true)]

     trait Foo { fn whoops (); } ```

   • ```rust

     [macro_use]

     extern crate dyn_safe;

     [dyn_safe(false)]

     trait Foo { // … }

     let _: dyn Foo; // Whoops ```