Mocking framework for Rust (currently only nightly). See documentation for more.

```rust

[mockable]

mod hello_world { pub fn world() -> &'static str { "world" }

pub fn hello_world() -> String {
    format!("Hello {}!", world())
}

}

[test]

fn mocktest() { helloworld::world.mock_safe(|| MockResult::Return("mocking"));

assert_eq!("Hello mocking!", hello_world::hello_world());

} ```