README.md: Don't print excess characters in example

nlsun · web-flow · commit 02a2e42fbb23 · 2021-10-29T10:37:17.000-07:00
diff --git a/README.md b/README.md
@@ -118,11 +118,11 @@ batch := conn.ReadBatch(10e3, 1e6) // fetch 10KB min, 1MB max
 
 b := make([]byte, 10e3) // 10KB max per message
 for {
-    _, err := batch.Read(b)
+    n, err := batch.Read(b)
     if err != nil {
         break
     }
-    fmt.Println(string(b))
+    fmt.Println(string(b[:n]))
 }
 
 if err := batch.Close(); err != nil {

Original file line number	Diff line number	Diff line change
`@@ -118,11 +118,11 @@ batch := conn.ReadBatch(10e3, 1e6) // fetch 10KB min, 1MB max`
`118`	`118`
`119`	`119`	`b := make([]byte, 10e3) // 10KB max per message`
`120`	`120`	`for {`
`121`		`- _, err := batch.Read(b)`
	`121`	`+ n, err := batch.Read(b)`
`122`	`122`	`if err != nil {`
`123`	`123`	`break`
`124`	`124`	`}`
`125`		`- fmt.Println(string(b))`
	`125`	`+ fmt.Println(string(b[:n]))`
`126`	`126`	`}`
`127`	`127`
`128`	`128`	`if err := batch.Close(); err != nil {`