rust-clippy/tests/ui/module_name_repetitions.rs

#![warn(clippy::module_name_repetitions)]
#![allow(dead_code)]

mod foo {
    pub fn foo() {}
    pub fn foo_bar() {}
    pub fn bar_foo() {}
    pub struct FooCake {}
    pub enum CakeFoo {}
    pub struct Foo7Bar;

    // Should not warn
    pub struct Foobar;
}

fn main() {}