ridicule 0.3.0

Rust mocking library supporting non-static function generics
Documentation 
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use predicates::float::is_close;
use ridicule::mock;
use ridicule::predicate::function;

trait Haha
{
    type Hello;
}

trait Foo
{
    fn bar<Baz: Haha>(&self, num: u128) -> Baz::Hello;

    fn abc<ThingA, ThingB>(&mut self, thing_a: ThingA, thing_b: ThingB);
}

mock! {
    MockFoo {}

    impl Foo for MockFoo
    {
        fn bar<Baz: Haha>(&self, num: u128) -> Baz::Hello;

        fn abc<ThingA, ThingB>(&mut self, thing_a: ThingA, thing_b: ThingB);
    }
}

impl Haha for u16
{
    type Hello = String;
}

impl Haha for &str
{
    type Hello = u8;
}

fn main()
{
    let mut mock_foo = MockFoo::new();

    unsafe {
        mock_foo.expect_bar::<u16>().returning(|_me, num| {
            println!("bar was called with {num}");

            "Hello".to_string()
        })
    }
    .times(3);

    unsafe {
        mock_foo.expect_bar::<&str>().returning(|_me, num| {
            println!("bar was called with {num}");

            128u8
        });
    }

    unsafe {
        mock_foo
            .expect_abc::<&str, f64>()
            .with(
                function(|thing_a: &&str| thing_a.starts_with("Good morning")),
                is_close(7.13081),
            )
            .returning(|_me, _thing_a, _thing_b| {
                println!("abc was called");
            })
    }
    .times(1);

    assert_eq!(mock_foo.bar::<u16>(123), "Hello".to_string());
    assert_eq!(mock_foo.bar::<u16>(123), "Hello".to_string());
    assert_eq!(mock_foo.bar::<u16>(123), "Hello".to_string());

    // Would panic
    // mock_foo.bar::<String>(123);

    assert_eq!(mock_foo.bar::<&str>(456), 128);

    mock_foo.abc(
        concat!(
            "Good morning, and in case I don't see ya, good afternoon,",
            " good evening, and good night!"
        ),
        7.13081f64,
    );
}