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Simplify some Option / Result / ? operator patterns (#8653)

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* Simplify some Option / Result / ? operator patterns

When those match a combinator exactly.

Tool-aided by [comby-rust](https://github.com/huitseeker/comby-rust).

* adjust after review

* adjust post-review
This commit is contained in:
François Garillot
2021-04-23 09:36:10 -04:00
committed by GitHub
parent 541692c4a8
commit 052be8bbef
37 changed files with 77 additions and 188 deletions
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substrate/utils/frame/rpc/system/src/lib.rs
+1 -4
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@@ -207,10 +207,7 @@ where
let call_data = account.encode();
let future_best_header = future_best_header
.and_then(move |maybe_best_header| ready(
match maybe_best_header {
Some(best_header) => Ok(best_header),
None => Err(ClientError::UnknownBlock(format!("{}", best_hash))),
}
maybe_best_header.ok_or_else(|| { ClientError::UnknownBlock(format!("{}", best_hash)) })
));
let future_nonce = future_best_header.and_then(move |best_header|
fetcher.remote_call(RemoteCallRequest {