// Deeply indented modules. mod foo { mod bar { mod baz {} } } mod foo { mod bar { mod baz { fn foo() { bar() } } } mod qux {} } mod boxed { pub use std::boxed::{Box, HEAP}; } pub mod x { pub fn freopen( filename: *const c_char, mode: *const c_char, mode2: *const c_char, mode3: *const c_char, file: *mut FILE, ) -> *mut FILE { } } mod y { // sup boooooiiii }