bors 18a7dce4da Auto merge of #4314 - chansuke:add-negation-to-is_empty, r=flip1995
Add negation to `len_zero` lint to show more explicit message.

Fixes #4304 I have updated the `len_zero` to show the required negation in case of like the below case.

```
fn main() {
    let v = vec![1];
    if v.len() > 0 {
    }
}
```

changelog: Clarify suggestion of `len_zero` lint.
2019-08-01 14:09:59 +00:00
..
2019-06-21 16:47:34 +02:00
2019-07-28 06:45:23 +02:00
2019-06-21 16:47:34 +02:00