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75f418fb28
Fix explicit_iter_loop in rustc_serialize
Hi,
This PR fixes some clippy warnings
```
warning: it is more concise to loop over references to containers instead of using explicit iteration methods
--> compiler/rustc_serialize/src/serialize.rs:675:18
|
675 | for e in self.iter() {
| ^^^^^^^^^^^ help: to write this more concisely, try: `self`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_iter_loop
```
Best regards,
Michal