Merge pull request #162 from syjs10/master

Tip #64: Make main() clean and testable.

README.md

@@ -116,7 +116,7 @@ Go tips from [Phuong Le](https://twitter.com/func25).
 | 61 | Making a Type with Built-In Locking (sync.Mutex embedding) | richzw     |
 | 62 | context.Value is not our friend | hawkinggg  |
 | 63 | Avoid time.Sleep(), it's not context-aware and can't be interrupted | richzw     |
-| 64 |  |            |
+| 64 |  Make main() clean and testable. |    syjs10        |
 | 65 | Returning Pointers Made Easy with Generics | miniLCT    |
 | 66 | Simplify Your Error Messages in fmt.Errorf | smallnest  |
 | 67 | How to deal with long function signatures | richzw     |