1 #![feature(custom_attribute)]
2 #![allow(dead_code, unused_attributes)]
5 fn make_vec() -> Vec<i32> {
6 let mut v = Vec::with_capacity(4);
13 fn make_vec_macro() -> Vec<i32> {
18 fn make_vec_macro_repeat() -> Vec<u8> {
23 fn vec_into_iter() -> i32 {
24 vec![1, 2, 3, 4].into_iter().fold(0, |x, y| x + y)