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  1. package main
  2.  
  3. import (
  4. 	"fmt"
  5. )
  6.  
  7. type Example struct {
  8. 	val string
  9. }
  10.  
  11. func (e *Example) String() string {
  12. 	if e == nil {
  13. 		return "See, it works fine."
  14. 	}
  15.  
  16. 	return e.val
  17. }
  18.  
  19. func main() {
  20. 	var e *Example
  21. 	fmt.Println(e)
  22. }
Успешно #stdin #stdout 0s 790016KB
comments (?)
stdin 
Standard input is empty
stdout 
See, it works fine.
https://ideone.com/aHnsjd
язык:
Go (go 1.12.1)
created:
10 years ago
видимость:
открытый

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