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Struct Methods

You can define methods on structs, allowing you to associate behavior with your data types. To define a method for a struct, you specify a receiver (which can be a value or a pointer) in the method definition:

  • Value receiver
type rect struct {
  width  int32
  height int32
}


func (r rect) area() int {
   return r.width * r.height
}
  • Pointer receiver
type rect struct {
  width  int32
  height int32
}


func (r *rect) area() int32 {
  return r.height * r.width
}