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6 years ago
## basicatoi2
6 years ago
### Instructions
- Write a function that simulates the behaviour of the atoi function in Go. Atoi transforms a number defined as a `string` in a number defined as an `int`.
- Atoi returns `0` if the `string` is not considered as a valid number. For this exercise **non-valid `string` chains will be tested**. Some will contain non-digits characters.
- For this exercise the handling of the signs + or - does not have to be taken into account.
- This function will **only** have to return the `int` `nbr`. For this exercise the `error` return of atoi is not required.
6 years ago
### Expected Function
```go
func BasicAtoi2(s string) int {
}
```
6 years ago
### Usage
Here is a possible [program](TODO-LINK) to test your function :
```go
package main
import (
"fmt"
piscine ".."
)
func main() {
s := "12345"
s2 := "0000000012345"
s3 := "012 345"
s4 := "Hello World!"
n := piscine.BasicAtoi2(s)
n2 := piscine.BasicAtoi2(s2)
n3 := piscine.BasicAtoi2(s3)
n4 := piscine.BasicAtoi2(s4)
fmt.Println(n)
fmt.Println(n2)
fmt.Println(n3)
fmt.Println(n4)
}
```
And its output :
```console
student@ubuntu:~/piscine-go/test$ go build
student@ubuntu:~/piscine-go/test$ ./test
12345
12345
0
0
student@ubuntu:~/piscine-go/test$
```