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42 lines
674 B
42 lines
674 B
5 years ago
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## Compact
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### Instructions
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Write a function that will take a pointer to a array as parameter and overwrites any element that points to `nil`.
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- If you not sure what the function does. It exists in Ruby.
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### Expected functions
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```go
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func Compact(ptr *[]string, length int) int {
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}
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```
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### Usage
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Here is a possible [program](TODO-LINK) to test your function :
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```go
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package main
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import fmt
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func main() {
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array := []string{"hello", " ", "there", " ", "bye"}
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ptr := &array
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fmt.Println(Compact(ptr, len(array)))
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}
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```
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And its output :
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```console
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student@ubuntu:~/piscine/test$ go build
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student@ubuntu:~/piscine/test$ ./test
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3
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student@ubuntu:~/piscine/test$
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```
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