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typo: str should be s

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Cloverstd 2018-06-13 21:04:13 +08:00 committed by GitHub
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ch1-basic/ch1-03-array-string-and-slice.md
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@ -268,7 +268,7 @@ fmt.Printf("%#v\n", string([]rune{'世', '界'})) // 世界
```go
func forOnString(s string, forBody func(i int, r rune)) {
for i := 0; len(s) > 0; {
r, size := utf8.DecodeRuneInString(str)
r, size := utf8.DecodeRuneInString(s)
forBody(i, r)
s = s[size:]
i += size