chore: add encode/decode bench for rustc-hex

Cargo.toml

@@ -33,6 +33,7 @@ faster-hex = { version = "0.10.0", default-features = false, features = [
 ] }
 hex = { version = "~0.4.2", default-features = false }
 hex-literal = "0.4"
+rustc-hex = "2.1"
 serde = { version = "1.0", default-features = false, features = ["derive"] }
 serde_json = { version = "1.0", default-features = false, features = ["alloc"] }
 

benches/bench/main.rs

@@ -118,6 +118,19 @@ macro_rules! benches {
                     }
                 )*
             }
+
+            mod rustc_hex {
+                use super::*;
+
+                $(
+                    #[bench]
+                    fn $name(b: &mut Bencher) {
+                        b.iter(|| {
+                            ::rustc_hex::FromHex::from_hex::<Vec<_>>(black_box($dec))
+                        });
+                    }
+                )*
+            }
         }
 
         mod decode_to_slice {
@@ -209,6 +222,19 @@ macro_rules! benches {
                     }
                 )*
             }
+
+            mod rustc_hex {
+                use super::*;
+
+                $(
+                    #[bench]
+                    fn $name(b: &mut Bencher) {
+                        b.iter(|| {
+                            ::rustc_hex::ToHex::to_hex::<String>(&black_box($enc)[..])
+                        });
+                    }
+                )*
+            }
         }
 
         mod encode_to_slice {