manual clippy fixes

servicepoint2/src/bit_vec.rs

@@ -76,6 +76,11 @@ impl BitVec {
         self.data.len() * 8
     }
 
+    /// returns true if length is 0.
+    pub fn is_empty(&self) -> bool {
+        self.data.is_empty()
+    }
+
     /// Get the underlying bits in their raw packed bytes form
     pub fn mut_data_ref(&mut self) -> &mut [u8] {
         self.data.as_mut_slice()
@@ -174,6 +179,12 @@ pub mod c_api {
         (*this).len()
     }
 
+    /// Returns true if length is 0.
+    #[no_mangle]
+    pub unsafe extern "C" fn sp2_bit_vec_is_empty(this: *const BitVec) -> bool {
+        (*this).is_empty()
+    }
+
     /// Gets an unsafe reference to the data of the `BitVec` instance.
     ///
     /// ## Safety

servicepoint2/src/compression.rs

@@ -93,7 +93,7 @@ pub(crate) fn into_compressed(
             let mut encoder = Lz4EncoderBuilder::new()
                 .build(vec![])
                 .expect("could not create encoder");
-            encoder.write(&payload).expect("could not write payload");
+            encoder.write_all(&payload).expect("could not write payload");
             let (payload, _) = encoder.finish();
             payload
         }
@@ -103,7 +103,7 @@ pub(crate) fn into_compressed(
                 ZstdEncoder::new(vec![], zstd::DEFAULT_COMPRESSION_LEVEL)
                     .expect("could not create encoder");
             encoder
-                .write(&payload)
+                .write_all(&payload)
                 .expect("could not compress payload");
             encoder.finish().expect("could not finish encoding")
         }