24 lines
307 B
Go
24 lines
307 B
Go
package main
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import ("fmt"; "errors")
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func myFun(arg int) (int, error) {
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if arg == 42 {
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return -1, errors.New("Can't work with 42")
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}
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return arg + 3, nil
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}
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func main() {
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r, _ := myFun(7)
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fmt.Println(r)
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_, e := myFun(42)
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fmt.Println(e)
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}
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// == todo
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// custom errors
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// data conveying errors
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