Change as_tag_tuple to work by reference

CHANGELOG.md

@@ -5,6 +5,7 @@ All notable changes to similar are documented here.
 ## 0.3.0
 
 * Added grapheme and character level diffing utilities.
+* `DiffOp::as_tag_tuple` is now taking the argument by reference.
 
 ## 0.2.0
 

src/algorithms/capture.rs

@@ -68,8 +68,8 @@ impl DiffOp {
     /// * `Delete`: `a[i1..i2]` should be deleted (`j1 == j2` in this case).
     /// * `Insert`: `b[j1..j2]` should be inserted at `a[i1..i2]` (`i1 == i2` in this case).
     /// * `Equal`: `a[i1..i2]` is equal to `b[j1..j2]`.
-    pub fn as_tag_tuple(self) -> (DiffTag, Range<usize>, Range<usize>) {
-        match self {
+    pub fn as_tag_tuple(&self) -> (DiffTag, Range<usize>, Range<usize>) {
+        match *self {
             DiffOp::Equal {
                 old_index,
                 new_index,

src/lib.rs

@@ -28,5 +28,6 @@
 //!   gains the ability to diff on a grapheme instead of character level.  This
 //!   is particularly useful when working with text containing emojis.
 //! * `text`: this feature is enabled by default and enables the [`text`] module.
+//!   If the crate is used without default features it's removed.
 pub mod algorithms;
 pub mod text;