Source file src/fmt/stringer_example_test.go

Documentation: fmt

     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  package fmt_test
     6  
     7  import (
     8  	"fmt"
     9  )
    10  
    11  // Animal has a Name and an Age to represent an animal.
    12  type Animal struct {
    13  	Name string
    14  	Age  uint
    15  }
    16  
    17  // String makes Animal satisfy the Stringer interface.
    18  func (a Animal) String() string {
    19  	return fmt.Sprintf("%v (%d)", a.Name, a.Age)
    20  }
    21  
    22  func ExampleStringer() {
    23  	a := Animal{
    24  		Name: "Gopher",
    25  		Age:  2,
    26  	}
    27  	fmt.Println(a)
    28  	// Output: Gopher (2)
    29  }
    30  

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