Update README.md

Change formatting for readability.

README.md

@@ -53,12 +53,12 @@ func main() {
   iterCh, err := sm.BoundedIterCh(reversed, lowerBound, upperBound)
   if err != nil {
     fmt.Println(err)
-  } else {
-    defer iterCh.Close()
+    return
+  }
+  defer iterCh.Close()
 
-    for rec := range iterCh.Records() {
-      fmt.Printf("%+v\n", rec)
-    }
+  for rec := range iterCh.Records() {
+    fmt.Printf("%+v\n", rec)
   }
 }
 ```
@@ -68,8 +68,19 @@ Check out the [examples](https://github.com/umpc/go-sortedmap/tree/master/exampl
 ## Benchmarks
 
 ```sh
+BenchmarkNew-8                               	20000000	        98.8 ns/op	      96 B/op	       2 allocs/op
+
+BenchmarkHas1of1CachedRecords-8              	50000000	        27.3 ns/op	       0 B/op	       0 allocs/op
+BenchmarkHas1of1Records-8                    	20000000	        94.1 ns/op	       0 B/op	       0 allocs/op
+
+BenchmarkGet1of1CachedRecords-8              	50000000	        27.3 ns/op	       0 B/op	       0 allocs/op
+BenchmarkGet1of1Records-8                    	20000000	        96.8 ns/op	       0 B/op	       0 allocs/op
+
 BenchmarkDelete1of1Records-8                 	 5000000	       285 ns/op	       0 B/op	       0 allocs/op
 
+BenchmarkInsert1Record-8                     	 3000000	       442 ns/op	     304 B/op	       2 allocs/op
+BenchmarkReplace1of1Records-8                	 5000000	       378 ns/op	       0 B/op	       0 allocs/op
+
 BenchmarkDelete1of10Records-8                	 2000000	       615 ns/op	       0 B/op	       0 allocs/op
 BenchmarkDelete1of100Records-8               	 1000000	      1005 ns/op	       0 B/op	       0 allocs/op
 BenchmarkDelete1of1000Records-8              	 1000000	      1987 ns/op	       0 B/op	       0 allocs/op
@@ -80,31 +91,21 @@ BenchmarkBatchDelete100of100Records-8        	   30000	     47069 ns/op	     112
 BenchmarkBatchDelete1000of1000Records-8      	    2000	    721201 ns/op	    1024 B/op	       1 allocs/op
 BenchmarkBatchDelete10000of10000Records-8    	     100	  19275331 ns/op	   10240 B/op	       1 allocs/op
 
-BenchmarkGet1of1CachedRecords-8              	50000000	        27.3 ns/op	       0 B/op	       0 allocs/op
-BenchmarkGet1of1Records-8                    	20000000	        96.8 ns/op	       0 B/op	       0 allocs/op
-
 BenchmarkBatchGet10of10Records-8             	 2000000	       902 ns/op	     176 B/op	       2 allocs/op
 BenchmarkBatchGet100of100Records-8           	  300000	      5550 ns/op	    1904 B/op	       2 allocs/op
 BenchmarkBatchGet1000of1000Records-8         	   30000	     49057 ns/op	   17408 B/op	       2 allocs/op
 BenchmarkBatchGet10000of10000Records-8       	    2000	    710611 ns/op	  174080 B/op	       2 allocs/op
 
-BenchmarkHas1of1CachedRecords-8              	50000000	        27.3 ns/op	       0 B/op	       0 allocs/op
-BenchmarkHas1of1Records-8                    	20000000	        94.1 ns/op	       0 B/op	       0 allocs/op
-
 BenchmarkBatchHas10of10Records-8             	 2000000	       742 ns/op	      16 B/op	       1 allocs/op
 BenchmarkBatchHas100of100Records-8           	  300000	      5102 ns/op	     112 B/op	       1 allocs/op
 BenchmarkBatchHas1000of1000Records-8         	   30000	     46257 ns/op	    1024 B/op	       1 allocs/op
 BenchmarkBatchHas10000of10000Records-8       	    3000	    519497 ns/op	   10240 B/op	       1 allocs/op
 
-BenchmarkInsert1Record-8                     	 3000000	       442 ns/op	     304 B/op	       2 allocs/op
-
 BenchmarkBatchInsert10Records-8              	  300000	      4164 ns/op	    1382 B/op	       8 allocs/op
 BenchmarkBatchInsert100Records-8             	   30000	     54184 ns/op	   14912 B/op	      19 allocs/op
 BenchmarkBatchInsert1000Records-8            	    2000	    844344 ns/op	  201969 B/op	      78 allocs/op
 BenchmarkBatchInsert10000Records-8           	     100	  25911455 ns/op	 2121554 B/op	     584 allocs/op
 
-BenchmarkReplace1of1Records-8                	 5000000	       378 ns/op	       0 B/op	       0 allocs/op
-
 BenchmarkReplace1of10Records-8               	 1000000	      1021 ns/op	       0 B/op	       0 allocs/op
 BenchmarkReplace1of100Records-8              	 1000000	      1669 ns/op	       0 B/op	       0 allocs/op
 BenchmarkReplace1of1000Records-8             	  500000	      3187 ns/op	       0 B/op	       0 allocs/op
@@ -114,8 +115,6 @@ BenchmarkBatchReplace10of10Records-8         	  200000	      6934 ns/op	       0
 BenchmarkBatchReplace100of100Records-8       	   10000	    100186 ns/op	       0 B/op	       0 allocs/op
 BenchmarkBatchReplace1000of1000Records-8     	    1000	   1546355 ns/op	       0 B/op	       0 allocs/op
 BenchmarkBatchReplace10000of10000Records-8   	      20	  58396360 ns/op	       0 B/op	       0 allocs/op
-
-BenchmarkNew-8                               	20000000	        98.8 ns/op	      96 B/op	       2 allocs/op
 ```
 
 The above benchmark tests were ran using a 4.0GHz Intel Core i7-4790K (Haswell) CPU.