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Diffstat (limited to 'src/go/doc/testdata/examples/multiple.go')
-rw-r--r-- | src/go/doc/testdata/examples/multiple.go | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/go/doc/testdata/examples/multiple.go b/src/go/doc/testdata/examples/multiple.go new file mode 100644 index 0000000..2728264 --- /dev/null +++ b/src/go/doc/testdata/examples/multiple.go @@ -0,0 +1,98 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package foo_test + +import ( + "flag" + "fmt" + "log" + "os/exec" + "sort" +) + +func ExampleHello() { + fmt.Println("Hello, world!") + // Output: Hello, world! +} + +func ExampleImport() { + out, err := exec.Command("date").Output() + if err != nil { + log.Fatal(err) + } + fmt.Printf("The date is %s\n", out) +} + +func ExampleKeyValue() { + v := struct { + a string + b int + }{ + a: "A", + b: 1, + } + fmt.Print(v) + // Output: a: "A", b: 1 +} + +func ExampleKeyValueImport() { + f := flag.Flag{ + Name: "play", + } + fmt.Print(f) + // Output: Name: "play" +} + +var keyValueTopDecl = struct { + a string + b int +}{ + a: "B", + b: 2, +} + +func ExampleKeyValueTopDecl() { + fmt.Print(keyValueTopDecl) + // Output: a: "B", b: 2 +} + +// Person represents a person by name and age. +type Person struct { + Name string + Age int +} + +// String returns a string representation of the Person. +func (p Person) String() string { + return fmt.Sprintf("%s: %d", p.Name, p.Age) +} + +// ByAge implements sort.Interface for []Person based on +// the Age field. +type ByAge []Person + +// Len returns the number of elements in ByAge. +func (a ByAge) Len() int { return len(a) } + +// Swap swaps the elements in ByAge. +func (a ByAge) Swap(i, j int) { a[i], a[j] = a[j], a[i] } +func (a ByAge) Less(i, j int) bool { return a[i].Age < a[j].Age } + +// people is the array of Person +var people = []Person{ + {"Bob", 31}, + {"John", 42}, + {"Michael", 17}, + {"Jenny", 26}, +} + +func ExampleSort() { + fmt.Println(people) + sort.Sort(ByAge(people)) + fmt.Println(people) + // Output: + // [Bob: 31 John: 42 Michael: 17 Jenny: 26] + // [Michael: 17 Jenny: 26 Bob: 31 John: 42] +} |