update errata.md, fix #13

Author: bigwhite

.gitignore

@@ -4,12 +4,17 @@
 *.dll
 *.so
 *.dylib
+.DS_Store
 
 # Test binary, built with `go test -c`
 *.test
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
+*.swp
+*.swo
+*.swa
 
 # Dependency directories (remove the comment below to include it)
 # vendor/
+

chapter3/sources/slice_unbind_orig_array.go

@@ -3,7 +3,7 @@ package main
 import "fmt"
 
 func main() {
-	u := []int{11, 12, 13, 14, 15}
+	u := [...]int{11, 12, 13, 14, 15}
 	fmt.Println("array:", u) // [11, 12, 13, 14, 15]
 	s := u[1:3]
 	fmt.Printf("slice(len=%d, cap=%d): %v\n", len(s), cap(s), s) // [12, 13]

errata.md

@@ -19,4 +19,5 @@
 | 11  | Go语言精进之路vol1 | p103 | 示例代码有误，具体参见[issue 9](https://github.com/bigwhite/GoProgrammingFromBeginnerToMaster/issues/9) | liansyyy(https://github.com/liansyyy) | typo | 应改为 p := &m[key] |
 | 12  | Go语言精进之路vol1 | p350 | “如何s[n]T或\*[n]T的数组类型，len(s)返回数组的长度n” | bin4tre([email protected]) | typo | 应将“如何”改为 “如果” |
 | 13  | Go语言精进之路vol1 | p352 | trySend函数的default分支的返回语句拼写错误"etrun false" | bin4tre([email protected]) | typo | 应改为 “return false” |
-| 14  | Go语言精进之路vol1 | 具体参见[issue12](https://github.com/bigwhite/GoProgrammingFromBeginnerToMaster/issues/12) | 图8-1 变量声明语法错误 | https://github.com/jackbai233 | 内容错误 | 图中a :=(int32)17应改为a := int32(17) 另一个var a = (int32)17应改为 var a = int32(17) |
+| 14  | Go语言精进之路vol1 | p62, 具体参见[issue12](https://github.com/bigwhite/GoProgrammingFromBeginnerToMaster/issues/12) | 图8-1 变量声明语法错误 | https://github.com/jackbai233 | 内容错误 | 图中a :=(int32)17应改为a := int32(17) 另一个var a = (int32)17应改为 var a = int32(17) |
+| 15  | Go语言精进之路vol1 | p89, 具体参见[issue13](https://github.com/bigwhite/GoProgrammingFromBeginnerToMaster/issues/12) | slice_unbind_orig_array.go代码中数组u初始化有笔误 | https://github.com/jackbai233 | typo | 书中代码u := []int{11, 12, 13, 14, 15} 应该为u := [...]int{11, 12, 13, 14, 15}|