impl Foo for Bar { fn foo() { "hi" } }

pub impl Foo for Bar {
    // Comment 1
    fn foo() { "hi" }
    // Comment 2
    fn foo() { "hi" }
    // Comment 3
}

pub unsafe impl<'a, 'b, X, Y: Foo<Bar>> !Foo<'a, X> for Bar<'b, Y> where X: Foo<'a, Z> {
    fn foo() { "hi" }    
}

impl<'a, 'b, X, Y: Foo<Bar>> Foo<'a, X> for Bar<'b, Y> where X: Fooooooooooooooooooooooooooooo<'a, Z>
{
    fn foo() { "hi" }    
}

impl<'a, 'b, X, Y: Foo<Bar>> Foo<'a, X> for Bar<'b, Y> where X: Foooooooooooooooooooooooooooo<'a, Z>
{
    fn foo() { "hi" }    
}

impl Foo {
    fn foo() {}
}

impl Boo {

    // BOO
    fn boo() {}
    // FOO

    
    
}

mod a {
    impl Foo {
        // Hello!
        fn foo() {}
    }
}


mod b {
    mod a {
        impl Foo {
            fn foo() {}
        }
    }
}