Fix clippy

jxl/src/entropy_coding/decode.rs

@@ -32,9 +32,13 @@ pub fn decode_varint16(br: &mut BitReader) -> Result<u16, Error> {
 #[derive(UnconditionalCoder, Debug)]
 struct LZ77Params {
     pub enabled: bool,
+    // TODO(firsching): remove once we use this!
+    #[allow(dead_code)]
     #[condition(enabled)]
     #[coder(u2S(224, 512, 4096, Bits(15) + 8))]
     pub min_symbol: Option<u32>,
+    // TODO(firsching): remove once we use this!
+    #[allow(dead_code)]
     #[condition(enabled)]
     #[coder(u2S(3, 4, Bits(2) + 5, Bits(8) + 9))]
     pub min_length: Option<u32>,
@@ -48,8 +52,12 @@ enum Codes {
 #[derive(Debug)]
 pub struct Histograms {
     lz77_params: LZ77Params,
+    // TODO(firsching): remove once we use this!
+    #[allow(dead_code)]
     lz77_length_uint: Option<HybridUint>,
     context_map: Vec<u8>,
+    // TODO(firsching): remove once we use this!
+    #[allow(dead_code)]
     log_alpha_size: usize,
     uint_configs: Vec<HybridUint>,
     codes: Codes,

jxl/src/entropy_coding/huffman.rs

@@ -223,8 +223,7 @@ impl Table {
                 }
             } else {
                 let extra_bits = code_len - 14;
-                let old_repeat;
-                let repeat_delta;
+
                 let new_len = if code_len == CODE_LENGTH_REPEAT_CODE {
                     prev_code_len
                 } else {
@@ -234,13 +233,13 @@ impl Table {
                     repeat = 0;
                     repeat_code_len = new_len;
                 }
-                old_repeat = repeat;
+                let old_repeat = repeat;
                 if repeat > 0 {
                     repeat -= 2;
                     repeat <<= extra_bits;
                 }
                 repeat += br.read(extra_bits as usize)? as u8 + 3;
-                repeat_delta = repeat - old_repeat;
+                let repeat_delta = repeat - old_repeat;
                 if symbol + repeat_delta as usize > al_size {
                     return Err(Error::InvalidHuffman);
                 }
@@ -366,7 +365,7 @@ impl Table {
                 }
                 counts[len] -= 1;
                 let bits = (len - root_bits) as u8;
-                let value = sorted[symbol] as u16;
+                let value = sorted[symbol];
                 symbol += 1;
                 let pos = table_pos + (key as usize >> root_bits);
                 replicate_value(&mut table[pos..], step, TableEntry { bits, value });

jxl/src/headers/color_encoding.rs

@@ -63,9 +63,13 @@ pub enum RenderingIntent {
 pub struct CustomXY {
     #[default(0)]
     #[coder(u2S(Bits(19), Bits(19) + 524288, Bits(20) + 1048576, Bits(21) + 2097152))]
+    // TODO(firsching): remove once we use this!
+    #[allow(dead_code)]
     x: i32,
     #[default(0)]
     #[coder(u2S(Bits(19), Bits(19) + 524288, Bits(20) + 1048576, Bits(21) + 2097152))]
+    // TODO(firsching): remove once we use this!
+    #[allow(dead_code)]
     y: i32,
 }
 
@@ -114,6 +118,8 @@ impl CustomTransferFunction {
 pub struct ColorEncoding {
     #[all_default]
     #[default(true)]
+    // TODO(firsching): remove once we use this!
+    #[allow(dead_code)]
     all_default: bool,
     #[default(false)]
     pub want_icc: bool,

jxl/src/headers/encodings.rs

@@ -117,14 +117,14 @@ impl UnconditionalCoder<()> for u64 {
             1 => Ok(1 + br.read(4)?),
             2 => Ok(17 + br.read(8)?),
             _ => {
-                let mut result: u64 = br.read(12)? as u64;
+                let mut result: u64 = br.read(12)?;
                 let mut shift = 12;
                 while br.read(1)? == 1 {
                     if shift >= 60 {
                         assert_eq!(shift, 60);
-                        return Ok(result | ((br.read(4)? as u64) << shift));
+                        return Ok(result | (br.read(4)? << shift));
                     }
-                    result |= (br.read(8)? as u64) << shift;
+                    result |= br.read(8)? << shift;
                     shift += 8;
                 }
                 Ok(result)
@@ -373,7 +373,6 @@ impl UnconditionalCoder<()> for Extensions {
         br: &mut BitReader,
         _: &Self::Nonserialized,
     ) -> Result<Extensions, Error> {
-        use std::convert::TryFrom;
         let selector = u64::read_unconditional(&(), br, &Empty {})?;
         let mut total_size: u64 = 0;
         for i in 0..64 {

jxl/src/headers/extra_channels.rs

@@ -36,6 +36,8 @@ enum ExtraChannel {
     Optional,
 }
 
+// TODO(firsching): remove once we use this!
+#[allow(dead_code)]
 #[derive(UnconditionalCoder, Debug)]
 #[validate]
 pub struct ExtraChannelInfo {

jxl/src/headers/image_metadata.rs

@@ -96,6 +96,8 @@ impl ToneMapping {
     }
 }
 
+// TODO(firsching): remove once we use this!
+#[allow(dead_code)]
 #[derive(UnconditionalCoder, Debug)]
 pub struct ImageMetadata {
     #[all_default]

jxl/src/headers/transform_data.rs

@@ -18,6 +18,8 @@ pub struct CustomTransformDataNonserialized {
     pub xyb_encoded: bool,
 }
 
+// TODO(firsching): remove once we use this!
+#[allow(dead_code)]
 #[derive(UnconditionalCoder, Debug)]
 pub struct OpsinInverseMatrix {
     #[all_default]
@@ -322,6 +324,8 @@ const DEFAULT_KERN_8: [f32; 210] = [
     -0.00458223,
 ];
 
+// TODO(firsching): remove once we use this!
+#[allow(dead_code)]
 #[derive(UnconditionalCoder, Debug)]
 #[nonserialized(CustomTransformDataNonserialized)]
 pub struct CustomTransformData {