Skip extra property when comparing LocatedSpanEx

src/lib.rs

@@ -56,7 +56,8 @@
 //! ```
 //!
 //! ## Extra information
-//! You can add arbitrary extra information using LocatedSpanEx.
+//! You can add arbitrary extra information using `LocatedSpanEx`.
+//! This extra property is not used when comparing two `LocatedSpanEx`s.
 //!
 //! ``̀`
 //! use nom_locate::LocatedSpanEx;
@@ -126,7 +127,7 @@ pub type LocatedSpan<T> = LocatedSpanEx<T, ()>;
 ///
 /// The `LocatedSpanEx` structure can be used as an input of the nom parsers.
 /// It implements all the necessary traits for `LocatedSpanEx<&str,X>` and `LocatedSpanEx<&[u8],X>`
-#[derive(PartialEq, Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy)]
 pub struct LocatedSpanEx<T, X> {
     /// The offset represents the position of the fragment relatively to
     /// the input of the parser. It starts at offset 0.
@@ -309,6 +310,14 @@ impl<T: AsBytes, X> LocatedSpanEx<T, X> {
     }
 }
 
+impl<T: AsBytes + PartialEq, X> PartialEq for LocatedSpanEx<T, X> {
+    fn eq(&self, other: &Self) -> bool {
+        self.line == other.line && self.offset == other.offset && self.fragment == other.fragment
+    }
+}
+
+impl<T: AsBytes + Eq, X> Eq for LocatedSpanEx<T, X> {}
+
 impl<T: AsBytes, X> AsBytes for LocatedSpanEx<T, X> {
     fn as_bytes(&self) -> &[u8] {
         self.fragment.as_bytes()

src/tests.rs

@@ -67,6 +67,16 @@ fn it_should_call_new_for_str_successfully() {
     assert_eq!(StrSpan::new(input), output);
 }
 
+#[test]
+fn it_should_ignore_extra_for_equality() {
+    let input = &"foobar"[..];
+
+    assert_eq!(
+        StrSpanEx::new_extra(input, "foo"),
+        StrSpanEx::new_extra(input, "bar")
+    );
+}
+
 #[test]
 fn it_should_slice_for_str() {
     let str_slice = StrSpanEx::new_extra("foobar", "extra");