Implement size_hint()

LemmingAvalanche · LemmingAvalanche · commit 16321f38702e · 2021-10-15T21:11:02.000+02:00
Better than the default implementation. See: #749 (comment)
diff --git a/src/message.rs b/src/message.rs
@@ -99,6 +99,10 @@ impl<'pair> Iterator for MessageTrailersIterator<'pair> {
             .next()
             .map(|index| to_str_tuple(&self.trailers, index))
     }
+
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        self.range.size_hint()
+    }
 }
 
 fn to_str_tuple(

Original file line number	Diff line number	Diff line change
`@@ -99,6 +99,10 @@ impl<'pair> Iterator for MessageTrailersIterator<'pair> {`
`99`	`99`	`.next()`
`100`	`100`	`.map(\|index\| to_str_tuple(&self.trailers, index))`
`101`	`101`	`}`
	`102`	`+`
	`103`	`+ fn size_hint(&self) -> (usize, Option<usize>) {`
	`104`	`+ self.range.size_hint()`
	`105`	`+ }`
`102`	`106`	`}`
`103`	`107`
`104`	`108`	`fn to_str_tuple(`