Add benchmarks for decode::into_vec_unsafe

Author: lwus

benches/decode.rs

@@ -24,6 +24,9 @@ macro_rules! group_decode {
             let mut output = [0; $decoded_length];
             b.iter(|| bs58::decode($encoded).into(&mut output).unwrap());
         });
+        group.bench_function("decode_bs58_unsafe", |b| {
+            b.iter(|| bs58::decode($encoded).into_vec_unsafe().unwrap())
+        });
         group.finish();
     }};
 }
@@ -44,6 +47,9 @@ macro_rules! group_decode_long {
             let mut output = [0; $decoded_length];
             b.iter(|| bs58::decode($encoded).into(&mut output[..]).unwrap());
         });
+        group.bench_function("decode_bs58_unsafe", |b| {
+            b.iter(|| bs58::decode($encoded).into_vec_unsafe().unwrap())
+        });
         // bs58_noalloc_array is not possible because of limited array lengths in trait impls
         group.finish();
     }};

tests/decode.rs

@@ -7,7 +7,7 @@ use assert_matches::assert_matches;
 fn test_decode() {
     for &(val, s) in cases::TEST_CASES.iter() {
         assert_eq!(val.to_vec(), bs58::decode(s).into_vec().unwrap());
-        assert_eq!(val.to_vec(), bs58::decode::DecodeBuilder::new(s, bs58::Alphabet::DEFAULT).into_vec_unsafe().unwrap());
+        assert_eq!(val.to_vec(), bs58::decode(s).into_vec_unsafe().unwrap());
     }
 }