chore: clippy and remove varu64

Cargo.lock

@@ -163,12 +163,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "doc-comment"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
-
 [[package]]
 name = "errno"
 version = "0.3.8"
@@ -257,7 +251,6 @@ dependencies = [
  "proptest",
  "redb",
  "tempfile",
- "varu64",
 ]
 
 [[package]]
@@ -419,44 +412,12 @@ dependencies = [
  "wait-timeout",
 ]
 
-[[package]]
-name = "snafu"
-version = "0.6.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eab12d3c261b2308b0d80c26fffb58d17eba81a4be97890101f416b478c79ca7"
-dependencies = [
- "doc-comment",
- "snafu-derive",
-]
-
-[[package]]
-name = "snafu-derive"
-version = "0.6.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1508efa03c362e23817f96cde18abed596a25219a8b2c66e8db33c03543d315b"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "subtle"
 version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
-[[package]]
-name = "syn"
-version = "1.0.109"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
 [[package]]
 name = "syn"
 version = "2.0.39"
@@ -498,7 +459,7 @@ checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.39",
+ "syn",
 ]
 
 [[package]]
@@ -519,15 +480,6 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
-[[package]]
-name = "varu64"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd0b4bcb210ab3a048eda9a938508b072e474af2838994e77976c817e51af1e3"
-dependencies = [
- "snafu",
-]
-
 [[package]]
 name = "version_check"
 version = "0.9.4"

mast/Cargo.toml

@@ -8,7 +8,6 @@ edition = "2021"
 [dependencies]
 blake3 = "1.5.0"
 redb = "1.4.0"
-varu64 = "0.7.0"
 
 [dev-dependencies]
 proptest = "1.4.0"

mast/src/node.rs

@@ -195,8 +195,7 @@ impl Node {
         let key_length_encoding_length = len_encoding_length(key_length);
         let val_length_encoding_length = len_encoding_length(val_length);
 
-        let header = 0_u8
-            | (key_length_encoding_length << 4)
+        let header = (key_length_encoding_length << 4)
             | (val_length_encoding_length << 2)
             | ((self.left.is_some() as u8) << 1)
             | (self.right.is_some() as u8);
@@ -242,14 +241,6 @@ fn hash(bytes: &[u8]) -> Hash {
     hasher.finalize()
 }
 
-fn varu64_decode(bytes: &[u8]) -> (&[u8], &[u8]) {
-    let (len, remaining) = varu64::decode(bytes).unwrap();
-    let value = &remaining[..len as usize];
-    let rest = &remaining[value.len()..];
-
-    (value, rest)
-}
-
 fn decode_node(data: (u64, &[u8])) -> Node {
     let (ref_count, encoded_node) = data;