Update to Rust 1.59 and 2021 edition (#3038)

## Proposed Changes

Lots of lint updates related to `flat_map`, `unwrap_or_else` and string patterns. I did a little more creative refactoring in the op pool, but otherwise followed Clippy's suggestions.

## Additional Info

We need this PR to unblock CI.
This commit is contained in:
Michael Sproul
2022-02-25 00:10:17 +00:00
parent c1df5d29cb
commit 5e1f8a8480
115 changed files with 173 additions and 188 deletions

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@@ -2,7 +2,7 @@
name = "eth2_serde_utils"
version = "0.1.1"
authors = ["Paul Hauner <paul@paulhauner.com", "Michael Sproul <michael@sigmaprime.io>"]
edition = "2018"
edition = "2021"
description = "Serialization and deserialization utilities useful for JSON representations of Ethereum 2.0 types."
license = "Apache-2.0"

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@@ -51,7 +51,7 @@ where
let raw = hex::encode(num.to_be_bytes());
let trimmed = raw.trim_start_matches('0');
let hex = if trimmed.is_empty() { "0" } else { &trimmed };
let hex = if trimmed.is_empty() { "0" } else { trimmed };
serializer.serialize_str(&format!("0x{}", &hex))
}