Fix Clippy lints for examples

Author: GabrielMajeri

examples/aobench/src/image.rs

@@ -48,7 +48,6 @@ impl Image {
             i as u8
         }
 
-        use png::HasParameters;
         use std::fs::File;
         use std::io::BufWriter;
 
@@ -60,7 +59,8 @@ impl Image {
             self.height as u32,
         );
 
-        encoder.set(png::ColorType::RGB).set(png::BitDepth::Eight);
+        encoder.set_color(png::ColorType::RGB);
+        encoder.set_depth(png::BitDepth::Eight);
         let mut writer = encoder.write_header().unwrap();
 
         if soa {

examples/aobench/src/random.rs

@@ -67,7 +67,7 @@ pub mod scalar {
 
     pub fn thread_rng() -> RngH {
         RngH {
-            rng: THREAD_RNG_KEY.with(|t| t.clone()),
+            rng: THREAD_RNG_KEY.with(Clone::clone),
         }
     }
 }
@@ -134,7 +134,7 @@ pub mod vector {
 
     pub fn thread_rng() -> RngH {
         RngH {
-            rng: THREAD_RNG_KEY.with(|t| t.clone()),
+            rng: THREAD_RNG_KEY.with(Clone::clone),
         }
     }
 }

examples/slice_sum/src/main.rs

@@ -23,7 +23,7 @@ fn sum_hor(x: &[f32]) -> f32 {
 
     x.chunks_exact(f32s::lanes())
         .map(f32s::from_slice_unaligned)
-        .map(|vec| vec.sum())
+        .map(f32s::sum)
         .sum()
 }