Cleanup benchmark code (#431)

Author: wcampbell0x2a

benches/deku.rs

@@ -34,54 +34,27 @@ struct DekuVec {
     data: Vec<u8>,
 }
 
-fn deku_read_bits(mut reader: impl Read) {
-    let mut reader = Reader::new(&mut reader);
-    let _v = DekuBits::from_reader_with_ctx(&mut reader, ()).unwrap();
-}
-
-fn deku_write_bits(input: &DekuBits) {
-    let _v = input.to_bytes().unwrap();
-}
-
-fn deku_read_byte(mut reader: impl Read) {
-    let mut reader = Reader::new(&mut reader);
-    let _v = DekuBytes::from_reader_with_ctx(&mut reader, ()).unwrap();
-}
-
-fn deku_write_byte(input: &DekuBytes) {
+fn deku_write<T: DekuContainerWrite>(input: &T) {
     let _v = input.to_bytes().unwrap();
 }
 
-fn deku_read_enum(mut reader: impl Read) {
+fn deku_read<T: for<'a> DekuContainerRead<'a>>(mut reader: impl Read) {
     let mut reader = Reader::new(&mut reader);
-    let _v = DekuEnum::from_reader_with_ctx(&mut reader, ()).unwrap();
-}
-
-fn deku_write_enum(input: &DekuEnum) {
-    let _v = input.to_bytes().unwrap();
-}
-
-fn deku_read_vec(mut reader: impl Read) {
-    let mut reader = Reader::new(&mut reader);
-    let _v = DekuVec::from_reader_with_ctx(&mut reader, ()).unwrap();
-}
-
-fn deku_write_vec(input: &DekuVec) {
-    let _v = input.to_bytes().unwrap();
+    let _v = T::from_reader_with_ctx(&mut reader, ()).unwrap();
 }
 
 fn criterion_benchmark(c: &mut Criterion) {
     c.bench_function("deku_read_byte", |b| {
         let reader = Cursor::new(&[0x01; 1 + 2 + 4]);
         b.iter_batched(
             || reader.clone(),
-            |mut reader| deku_read_byte(&mut reader),
+            |mut reader| deku_read::<DekuBytes>(&mut reader),
             BatchSize::SmallInput,
         )
     });
     c.bench_function("deku_write_byte", |b| {
         b.iter(|| {
-            deku_write_byte(black_box(&DekuBytes {
+            deku_write(black_box(&DekuBytes {
                 data_00: 0x00,
                 data_01: 0x02,
                 data_02: 0x03,
@@ -92,13 +65,13 @@ fn criterion_benchmark(c: &mut Criterion) {
         let reader = Cursor::new(&[0x01; 1]);
         b.iter_batched(
             || reader.clone(),
-            |mut reader| deku_read_bits(&mut reader),
+            |mut reader| deku_read::<DekuBits>(&mut reader),
             BatchSize::SmallInput,
         )
     });
     c.bench_function("deku_write_bits", |b| {
         b.iter(|| {
-            deku_write_bits(black_box(&DekuBits {
+            deku_write(black_box(&DekuBits {
                 data_01: 0x0f,
                 data_02: 0x00,
                 data_03: 0x01,
@@ -110,12 +83,12 @@ fn criterion_benchmark(c: &mut Criterion) {
         let reader = Cursor::new(&[0x01; 2]);
         b.iter_batched(
             || reader.clone(),
-            |mut reader| deku_read_enum(&mut reader),
+            |mut reader| deku_read::<DekuEnum>(&mut reader),
             BatchSize::SmallInput,
         )
     });
     c.bench_function("deku_write_enum", |b| {
-        b.iter(|| deku_write_enum(black_box(&DekuEnum::VariantA(0x02))))
+        b.iter(|| deku_write(black_box(&DekuEnum::VariantA(0x02))))
     });
 
     let deku_write_vec_input = DekuVec {
@@ -126,12 +99,12 @@ fn criterion_benchmark(c: &mut Criterion) {
         let reader = Cursor::new(&[0x08; 8 + 1]);
         b.iter_batched(
             || reader.clone(),
-            |mut reader| deku_read_vec(&mut reader),
+            |mut reader| deku_read::<DekuVec>(&mut reader),
             BatchSize::SmallInput,
         )
     });
     c.bench_function("deku_write_vec", |b| {
-        b.iter(|| deku_write_vec(black_box(&deku_write_vec_input)))
+        b.iter(|| deku_write(black_box(&deku_write_vec_input)))
     });
 }