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Merge pull request #213 from A-caibird/patch-1
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Update ch5-06.md
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chai2010 authored Feb 5, 2024
2 parents b8d7c32 + 8df9c12 commit feac38b
Showing 1 changed file with 6 additions and 5 deletions.
11 changes: 6 additions & 5 deletions ch5/ch5-06.md
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ strings.Map(func(r rune) rune { return r + 1 }, "HAL-9000")
<u><i>gopl.io/ch5/squares</i></u>
```Go
// squares返回一个匿名函数。
// 该匿名函数每次被调用时都会返回下一个数的平方。
// 该匿名函数每次被调用时都会返回下一个数的平方的函数
func squares() func() int {
var x int
return func() int {
Expand All @@ -23,10 +23,11 @@ func squares() func() int {
}
func main() {
f := squares()
fmt.Println(f()) // "1"
fmt.Println(f()) // "4"
fmt.Println(f()) // "9"
fmt.Println(f()) // "16"
// () 函数调用符号
fmt.Println(f()()) // "1"
fmt.Println(f()()) // "4"
fmt.Println(f()()) // "9"
fmt.Println(f()()) // "16"
}
```

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