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方法签名中少了数据类型 (#816)

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KiloG
2021-12-28 12:17:08 +08:00
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eBook/04.7.md
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@@ -108,7 +108,7 @@ func main() {
`Replace` 用于将字符串 `str` 中的前 `n` 个字符串 `old` 替换为字符串 `new`，并返回一个新的字符串，如果 `n = -1` 则替换所有字符串 `old` 为字符串 `new`：
```go
strings.Replace(str, old, new, n) string
strings.Replace(str, old, new string, n int) string
```
## 4.7.5 统计字符串出现次数