这样子也不行，牵扯到channel, 异至&vals有生命周期问题。

error[E0597]: `vals` does not live long enough
  --> src/main.rs:15:20
   |
6  |     let (tx, rx) = mpsc::channel();
   |          -- lifetime `'1` appears in the type of `tx`
...
15 |         for val in &vals {
   |                    ^^^^^ borrowed value does not live long enough
16 |             tx.send(val).unwrap();
   |             ------------ argument requires that `vals` is borrowed for `'1`
...
20 |     });
   |     - `vals` dropped here while still borrowed

error: aborting due to previous error

For more information about this error, try `rustc --explain E0597`.
error: could not compile `test-vec`

就是要在 中间 !!

【 在 leadu 的大作中提到: 】
: 你想要的是不是这个  
:  
: for val in &vals { // vals moved,  
: tx.send(val.clone()).unwrap();  
: println!("Len in vec {:?}", vals.len()); // so invalide her
: ..................

发自「今日水木 on MRX-W29」
--
修改:txgx FROM 42.234.93.*
FROM 42.234.93.*