3 let y: *mut [SomeType; konst_funk()] = expr();
8 let z: (usize /* #digits */, i16 /* exp */) = funk();
12 f: extern "C" fn(x: u8, ... /* comment */),
13 g: extern "C" fn(x: u8,
16 h: extern "C" fn(x: u8, ...),
17 i: extern "C" fn(x: u8,
19 y: String, // comment 3