30 lines
551 B
Go
30 lines
551 B
Go
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// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package fmt_test
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import (
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"fmt"
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)
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// Animal has a Name and an Age to represent an animal.
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type Animal struct {
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Name string
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Age uint
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}
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// String makes Animal satisfy the Stringer interface.
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func (a Animal) String() string {
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return fmt.Sprintf("%v (%d)", a.Name, a.Age)
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}
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func ExampleStringer() {
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a := Animal{
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Name: "Gopher",
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Age: 2,
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}
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fmt.Println(a)
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// Output: Gopher (2)
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}
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