fix clippy warnings

src/serde/de_tree.rs

@@ -99,6 +99,8 @@ fn skip_or_sha_bytes<R: Read>(
     }
 }
 
+type ParsedTriplesOutput = (Vec<ParsedTriple>, Option<Vec<[u8; 32]>>);
+
 /// parse a serialized clvm object tree to an array of `ParsedTriple` objects
 
 /// This alternative mechanism of deserialization generates an array of
@@ -111,9 +113,6 @@ fn skip_or_sha_bytes<R: Read>(
 ///
 /// Since these values are offsets into the original buffer, that buffer needs
 /// to be kept around to get the original atoms.
-
-type ParsedTriplesOutput = (Vec<ParsedTriple>, Option<Vec<[u8; 32]>>);
-
 pub fn parse_triples<R: Read>(
     f: &mut R,
     calculate_tree_hashes: bool,

src/serde/object_cache.rs

@@ -78,7 +78,6 @@ impl<'a, T: Clone> ObjectCache<'a, T> {
 }
 
 /// calculate the standard `sha256tree` has for a node
-
 pub fn treehash(
     cache: &mut ObjectCache<Bytes32>,
     allocator: &Allocator,
@@ -97,7 +96,6 @@ pub fn treehash(
 
 /// calculate the serialized length (without backrefs) of a node. This is used
 /// to check if using backrefs is actually smaller.
-
 pub fn serialized_length(
     cache: &mut ObjectCache<u64>,
     allocator: &Allocator,

src/serde/write_atom.rs

@@ -5,7 +5,6 @@ use std::io::ErrorKind;
 /// from 0x00-0x7f also have a prefix encoding their length. This function
 /// writes the correct prefix for an atom of size `size` whose first byte is `atom_0`.
 /// If the atom is of size 0, use any placeholder first byte, as it's ignored anyway.
-
 fn write_atom_encoding_prefix_with_size<W: io::Write>(
     f: &mut W,
     atom_0: u8,