| func (u *User) Avatar(s int) string { | |
| if s < 1 || s > 2048 { | |
| s = 128 | |
| } | |
| email := []byte(u.Email) | |
| return fmt.Sprintf("https://s.gravatar.com/avatar/%x?d=identicon&s=%d", md5.Sum(email), s) | |
| } |
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