YouTipFunctions
func divide(a, b float64) (float64, error) {
if b == 0 {
return 0, fmt.Errorf("division by zero")
}
return a / b, nil
}
result, err := divide(10, 3)
if err != nil {
log.Fatal(err)
}Structs
type Rectangle struct {
Width, Height float64
}
func (r Rectangle) Area() float64 {
return r.Width * r.Height
}Summary
- Go uses explicit error handling (no exceptions)
- Methods are defined on structs with receivers