Source file tour/methods/interfaces-are-satisfied-implicitly.go

     1  // +build OMIT
     2  
     3  package main
     4  
     5  import "fmt"
     6  
     7  type I interface {
     8  	M()
     9  }
    10  
    11  type T struct {
    12  	S string
    13  }
    14  
    15  // This method means type T implements the interface I,
    16  // but we don't need to explicitly declare that it does so.
    17  func (t T) M() {
    18  	fmt.Println(t.S)
    19  }
    20  
    21  func main() {
    22  	var i I = T{"hello"}
    23  	i.M()
    24  }
    25  

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