Rename copy_from_slice to just from_slice

Author: rklaehn

src/lib.rs

@@ -116,7 +116,7 @@ pub fn encode(hash: Hash, input: &[u8]) -> Result<Multihash, EncodeError> {
         output.extend_from_slice(size);
         output.extend_from_slice(input);
         Ok(Multihash {
-            storage: Storage::copy_from_slice(&output),
+            storage: Storage::from_slice(&output),
         })
     } else {
         let (offset, mut output) = encode_hash(hash);
@@ -139,7 +139,7 @@ pub fn encode(hash: Hash, input: &[u8]) -> Result<Multihash, EncodeError> {
         });
 
         Ok(Multihash {
-            storage: Storage::copy_from_slice(&output),
+            storage: Storage::from_slice(&output),
         })
     }
 }
@@ -196,7 +196,7 @@ impl Multihash {
             });
         }
         Ok(Multihash {
-            storage: Storage::copy_from_slice(&bytes),
+            storage: Storage::from_slice(&bytes),
         })
     }
 
@@ -342,7 +342,7 @@ impl<'a> MultihashRef<'a> {
     /// This operation allocates.
     pub fn to_owned(&self) -> Multihash {
         Multihash {
-            storage: Storage::copy_from_slice(self.bytes),
+            storage: Storage::from_slice(self.bytes),
         }
     }
 

src/storage.rs

@@ -21,7 +21,7 @@ impl Storage {
     }
 
     /// creates storage from a vec. Note that this will not preserve the size.
-    pub fn copy_from_slice(slice: &[u8]) -> Self {
+    pub fn from_slice(slice: &[u8]) -> Self {
         if slice.len() <= MAX_INLINE {
             let mut data: [u8; MAX_INLINE] = [0; MAX_INLINE];
             data[..slice.len()].copy_from_slice(slice);

tests/lib.rs

@@ -276,3 +276,8 @@ fn multihash_ref_errors() {
         "Should error on wrong hash length"
     );
 }
+
+#[test]
+fn multihash_size() {
+    assert_eq!(std::mem::size_of::<Multihash>(), 40);
+}