libgo/go/fmt/example_test.go

   1 // Copyright 2017 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // +build ignore
   6
   7 package fmt_test
   8
   9 import (
  10         "fmt"
  11 )
  12
  13 // Animal has a Name and an Age to represent an animal.
  14 type Animal struct {
  15         Name string
  16         Age  uint
  17 }
  18
  19 // String makes Animal satisfy the Stringer interface.
  20 func (a Animal) String() string {
  21         return fmt.Sprintf("%v (%d)", a.Name, a.Age)
  22 }
  23
  24 func ExampleStringer() {
  25         a := Animal{
  26                 Name: "Gopher",
  27                 Age:  2,
  28         }
  29         fmt.Println(a)
  30         // Output: Gopher (2)
  31 }