make clippy happy

src/encoding/blocks/compressed.rs

@@ -35,12 +35,11 @@ fn compress_literals(literals: &[u8], writer: &mut BitWriter) {
         _ => unimplemented!("too many literals"),
     };
 
-    let encoded;
-    if size_format == 0 {
-        encoded = encoder.encode(literals);
+    let encoded = if size_format == 0 {
+        encoder.encode(literals)
     } else {
-        encoded = encoder.encode4x(literals);
-    }
+        encoder.encode4x(literals)
+    };
 
     writer.write_bits(size_format, 2);
     writer.write_bits(literals.len() as u32, size_bits);

src/fse/fse_encoder.rs

@@ -250,11 +250,7 @@ fn build_table_from_counts(counts: &[usize], max_log: u8, avoid_0_numbit: bool)
 
         // find first occurence of the second_max to avoid lifting the last zero
         let second_max = *probs.iter_mut().filter(|x| **x != max).max().unwrap();
-        let second_max = probs
-            .iter_mut()
-            .filter(|x| **x == second_max)
-            .next()
-            .unwrap();
+        let second_max = probs.iter_mut().find(|x| **x == second_max).unwrap();
         *second_max += redistribute;
         assert!(*second_max <= max);
     }

src/huff0/huff0_encoder.rs

@@ -101,9 +101,8 @@ impl HuffmanEncoder {
         if weights.len() > 16 {
             // TODO share output vec between encoders
             // TODO assert that no 0 num_bit states are generated here
-            let mut encoder =
-                FSEEncoder::new(fse_encoder::build_table_from_data(&weights, 6, true));
-            let encoded = encoder.encode_interleaved(&weights);
+            let mut encoder = FSEEncoder::new(fse_encoder::build_table_from_data(weights, 6, true));
+            let encoded = encoder.encode_interleaved(weights);
             assert!(encoded.len() < 128);
             self.writer.write_bits(encoded.len() as u8, 8);
             self.writer.append_bytes(&encoded);