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6 years ago
## atoibase
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### Instructions
Write a function that takes a `string` number and its `string` base in parameters and returns its conversion as an `int`.
If the base is not valid it returns `0`.
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Validity rules for a base :
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- A base must contain at least 2 characters.
- Each character of a base must be unique.
- A base should not contain `+` or `-` characters.
String number must contain only elements that are in base.
Only valid `string` numbers will be tested.
The function **does not have** to manage negative numbers.
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### Expected function
```go
func AtoiBase(s string, base string) int {
}
```
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### Usage
Here is a possible program to test your function :
```go
package main
import (
"fmt"
piscine ".."
)
func main() {
fmt.Println(piscine.AtoiBase("125", "0123456789"))
fmt.Println(piscine.AtoiBase("1111101", "01"))
fmt.Println(piscine.AtoiBase("7D", "0123456789ABCDEF"))
fmt.Println(piscine.AtoiBase("uoi", "choumi"))
fmt.Println(piscine.AtoiBase("bbbbbab", "-ab"))
}
```
And its output :
```console
student@ubuntu:~/[[ROOT]]/test$ go build
student@ubuntu:~/[[ROOT]]/test$ ./test
125
125
125
125
0
student@ubuntu:~/[[ROOT]]/test$
```