remove redundant block scopes

Author: danieleades

src/chunked_encoder.rs

@@ -201,12 +201,11 @@ pub mod tests {
 
     fn chunked_encode_str(bytes: &[u8], config: FastPortableConfig) -> String {
         let mut s = String::new();
-        {
-            let mut sink = StringSink::from(&mut s);
-            let engine = FastPortable::from(&STANDARD, config);
-            let encoder = ChunkedEncoder::from(&engine);
-            encoder.encode(bytes, &mut sink).unwrap();
-        }
+
+        let mut sink = StringSink::from(&mut s);
+        let engine = FastPortable::from(&STANDARD, config);
+        let encoder = ChunkedEncoder::from(&engine);
+        encoder.encode(bytes, &mut sink).unwrap();
 
         s
     }
@@ -222,10 +221,8 @@ pub mod tests {
         fn encode_to_string<E: Engine>(&self, engine: &E, bytes: &[u8]) -> String {
             let encoder = ChunkedEncoder::from(engine);
             let mut s = String::new();
-            {
-                let mut sink = StringSink::from(&mut s);
-                encoder.encode(bytes, &mut sink).unwrap();
-            }
+            let mut sink = StringSink::from(&mut s);
+            encoder.encode(bytes, &mut sink).unwrap();
 
             s
         }

src/decode.rs

@@ -162,11 +162,8 @@ pub fn decode_engine_vec<E: Engine, T: AsRef<[u8]>>(
         .expect("Overflow when calculating output buffer length");
     buffer.resize(total_len_estimate, 0);
 
-    let bytes_written;
-    {
-        let buffer_slice = &mut buffer.as_mut_slice()[starting_output_len..];
-        bytes_written = engine.decode(input_bytes, buffer_slice, estimate)?;
-    }
+    let buffer_slice = &mut buffer.as_mut_slice()[starting_output_len..];
+    let bytes_written = engine.decode(input_bytes, buffer_slice, estimate)?;
 
     buffer.truncate(starting_output_len + bytes_written);