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