Solution in Go:
package main import ( "fmt" ) func main() { p, err := peel("hello") if err != nil { panic(err) } fmt.Println(p) } func peel(s string) (string, error) { if len(s) < 3 { return "", fmt.Errorf("Input string too short") } return s[1 : len(s)-1], nil }
Running example in Go Playground
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Solution in Go:
Running example in Go Playground