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Update to Rust 1.59 and 2021 edition (#3038)

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## 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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19
consensus/ssz/src/decode.rs
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@@ -187,12 +187,13 @@ impl<'a> SszDecoderBuilder<'a> {
let start = self.items_index;
self.items_index += ssz_fixed_len;
let slice = self.bytes.get(start..self.items_index).ok_or_else(|| {
DecodeError::InvalidByteLength {
len: self.bytes.len(),
expected: self.items_index,
}
})?;
let slice =
self.bytes
.get(start..self.items_index)
.ok_or(DecodeError::InvalidByteLength {
len: self.bytes.len(),
expected: self.items_index,
})?;
self.items.push(slice);
} else {
@@ -347,12 +348,12 @@ pub fn split_union_bytes(bytes: &[u8]) -> Result<(UnionSelector, &[u8]), DecodeE
/// Reads a `BYTES_PER_LENGTH_OFFSET`-byte length from `bytes`, where `bytes.len() >=
/// BYTES_PER_LENGTH_OFFSET`.
pub fn read_offset(bytes: &[u8]) -> Result<usize, DecodeError> {
decode_offset(bytes.get(0..BYTES_PER_LENGTH_OFFSET).ok_or_else(|| {
decode_offset(bytes.get(0..BYTES_PER_LENGTH_OFFSET).ok_or(
DecodeError::InvalidLengthPrefix {
len: bytes.len(),
expected: BYTES_PER_LENGTH_OFFSET,
}
})?)
},
)?)
}
/// Decode bytes as a little-endian usize, returning an `Err` if `bytes.len() !=