empty map is the end

kstep · kstep · commit ae5444a21bec · 2016-01-06T20:08:52.000+03:00
diff --git a/src/proto.rs b/src/proto.rs
@@ -72,7 +72,11 @@ impl<'a, I> Iterator for Maps<'a, I> where I: Iterator<Item = io::Result<String>
             }
         }
 
-        Some(Ok(map))
+        if map.is_empty() {
+            None
+        } else {
+            Some(Ok(map))
+        }
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -72,7 +72,11 @@ impl<'a, I> Iterator for Maps<'a, I> where I: Iterator<Item = io::Result<String>`
`72`	`72`	`}`
`73`	`73`	`}`
`74`	`74`
`75`		`- Some(Ok(map))`
	`75`	`+ if map.is_empty() {`
	`76`	`+ None`
	`77`	`+ } else {`
	`78`	`+ Some(Ok(map))`
	`79`	`+ }`
`76`	`80`	`}`
`77`	`81`	`}`
`78`	`82`