add Debug PartialEq for ETag

Author: kanarus

ohkami/src/header/etag.rs

@@ -1,6 +1,6 @@
 use std::borrow::Cow;
 
-#[derive(Clone)]
+#[derive(Clone, Debug, PartialEq)]
 pub enum ETag<'header> {
     Any,
     Strong(Cow<'header, str>),
@@ -83,9 +83,9 @@ impl<'header> ETag<'header> {
     ///     r#""abc123", W/"def456", "ghi789""#
     /// );
     /// 
-    /// assert_eq!(etags.next(), Some(ETag::Strong("abc123")));
-    /// assert_eq!(etags.next(), Some(ETag::Weak("def456")));
-    /// assert_eq!(etags.next(), Some(ETag::Strong("ghi789")));
+    /// assert_eq!(etags.next(), Some(ETag::Strong("abc123".into())));
+    /// assert_eq!(etags.next(), Some(ETag::Weak("def456".into())));
+    /// assert_eq!(etags.next(), Some(ETag::Strong("ghi789".into())));
     /// assert_eq!(etags.next(), None);
     /// 
     /// let mut etags = ETag::iter_from("*");