1// run-rustfix 2 3#![allow(unused_imports, clippy::needless_return)] 4#![warn(clippy::flat_map_identity)] 5 6use std::convert; 7 8fn main() { 9 let iterator = [[0, 1], [2, 3], [4, 5]].iter(); 10 let _ = iterator.flatten(); 11 12 let iterator = [[0, 1], [2, 3], [4, 5]].iter(); 13 let _ = iterator.flatten(); 14 15 let iterator = [[0, 1], [2, 3], [4, 5]].iter(); 16 let _ = iterator.flatten(); 17} 18