131 lines
2.2 KiB
Go
131 lines
2.2 KiB
Go
package structure
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import (
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"fmt"
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"time"
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)
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func ExampleMap() {
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type Server struct {
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Name string
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ID int32
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Enabled bool
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}
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s := &Server{
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Name: "Arslan",
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ID: 123456,
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Enabled: true,
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}
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m := Map(s)
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fmt.Printf("%#v\n", m["Name"])
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fmt.Printf("%#v\n", m["ID"])
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fmt.Printf("%#v\n", m["Enabled"])
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// Output:
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// "Arslan"
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// 123456
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// true
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}
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func ExampleMap_tags() {
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// Custom tags can change the map keys instead of using the fields name
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type Server struct {
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Name string `structure:"server_name"`
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ID int32 `structure:"server_id"`
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Enabled bool `structure:"enabled"`
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}
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s := &Server{
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Name: "Zeynep",
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ID: 789012,
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}
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m := Map(s)
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// access them by the custom tags defined above
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fmt.Printf("%#v\n", m["server_name"])
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fmt.Printf("%#v\n", m["server_id"])
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fmt.Printf("%#v\n", m["enabled"])
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// Output:
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// "Zeynep"
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// 789012
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// false
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}
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func ExampleToSlice() {
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type Server struct {
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Name string
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ID int32
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Enabled bool
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}
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s := &Server{
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Name: "Fatih",
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ID: 135790,
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Enabled: false,
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}
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m := ToSlice(s)
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// note that the output is sorted according to the field names
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fmt.Printf("%#v\n", m)
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// Output:
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// []interface {}{false, 135790, "Fatih"}
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}
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func ExampleFields() {
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type Access struct {
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Name string
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LastAccessed time.Time
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Number int
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}
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s := &Access{
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Name: "Fatih",
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LastAccessed: time.Now(),
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Number: 1234567,
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}
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m := Fields(s)
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// note that the output is sorted according to the field names
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fmt.Printf("%#v\n", m)
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// Output:
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// []string{"LastAccessed", "Name", "Number"}
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}
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func ExampleIsValid() {
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// Let's define an Access struct. Note that the "Enabled" field is not
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// going to be checked because we added the "structure" tag to the field.
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type Access struct {
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Name string
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LastAccessed time.Time
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Number int
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Enabled bool `structure:"-"`
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}
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// Name and Number is not initialized.
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a := &Access{
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LastAccessed: time.Now(),
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}
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validA := IsValid(a)
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// Name and Number is initialized.
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b := &Access{
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Name: "Fatih",
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LastAccessed: time.Now(),
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Number: 12345,
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}
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validB := IsValid(b)
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fmt.Printf("%#v\n", validA)
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fmt.Printf("%#v\n", validB)
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// Output:
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// false
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// true
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}
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