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  1. package main
  2.  
  3. import (
  4. 	"bufio"
  5. 	"fmt"
  6. 	"log"
  7. 	"os"
  8. 	"strings"
  9. )
  10.  
  11. type Profile struct {
  12. 	Name       string
  13. 	Email      string
  14. 	Phone      string
  15. 	Occupation string
  16. 	Language   []string
  17. 	Hobby      []string
  18. 	Your_name string
  19. 	Your_gender string
  20. }
  21.  
  22. type MyMessage interface {
  23. 	ShowMessage() string
  24. }
  25.  
  26. func (p *Profile) SetProfile(arr map[string]string) {
  27. 	for k, v := range arr {
  28. 		p.k = v  // このメンバ変数を動的に変えたい
  29. 	}
  30. }
  31.  
  32. func (p *Profile) ShowMessage() string {
  33. 	return fmt.Sprintf("Name: %s \nLanguage: %s", p.Name,
  34. 		strings.Join(p.Language, ", "))
  35. }
  36.  
  37. func main() {
  38. 	defer func() {
  39. 		if x := recover(); x != nil {
  40. 			log.SetOutput(os.Stdout)
  41. 			log.Println("panic!")
  42. 		}
  43. 	}()
  44.  
  45. 	me := &Profile{
  46. 		Name:       "John Lennon",
  47. 		Email:      "foobar@gmail.com",
  48. 		Phone:      "+81-90-0000-0000",
  49. 		Occupation: "Programmer/System Engineer",
  50. 		Language: []string{"Japanese", "English" , "Spanish"},
  51. 		Hobby: []string{"Photography", "Traveling"},
  52. 	}
  53. 	you := make(map[string]string)
  54.  
  55. 	scanner := bufio.NewScanner(os.Stdin)
  56. 	fmt.Println("Would you please let me know your profile?")
  57. 	fmt.Print("Your name: ")
  58. 	scanner.Scan()
  59. 	you["Your_name"] = scanner.Text()
  60. 	fmt.Print("Your gender: ")
  61. 	scanner.Scan()
  62. 	you["Your_gender"] = scanner.Text()
  63. 	if err := scanner.Err(); err != nil {
  64. 		fmt.Fprintln(os.Stderr, "Read error: ", err)
  65. 	}
  66.  
  67. 	me.setProfile(you)
  68. 	fmt.Println(me.ShowMessage()) // My message to you.
  69. 	panic("panic")
  70. }
  71.  
Compilation error #stdin compilation error #stdout 0s 0KB
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Standard input is empty
compilation info 
# _/home/kZQ1Cj
./prog.go:28: p.k undefined (type *Profile has no field or method k)
./prog.go:67: me.setProfile undefined (type *Profile has no field or method setProfile)
stdout
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Standard output is empty
https://ideone.com/ZPQ1ib
language:
Go (go 1.12.1)
created:
7 years ago
visibility:
public

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