f is for friends who do stuff together

 
 [dependencies]
-libpso = { git = "http://git.sharnoth.com/jake/libpso" }
+libpso = { git = "http://git.sharnoth.com/jake/libpso", branch = "sendgc" }

-#[derive(Copy, Clone, Debug, Hash, PartialEq, Eq, PartialOrd, Ord)]
-pub struct GuildCardDataId(pub u32);
 
+// TODO: use these

+// TODO: use these
+#[derive(Debug)]
+pub enum GuildcardError {
+    GuildcardAlreadyFriend(u32),

 }
 
 // TODO: implement this properly

-    pub id: GuildCardDataId,
     pub user_id: UserAccountId,
-    pub guildcard: guildcard::GuildCardData,
+    pub guildcard_data: Box<guildcard::GuildCardData>,

     }
+
+    pub fn add_friend(&mut self, new_friend: &GuildcardAccept) -> Result<(), GuildcardError> {
+        let next_open_spot = self.guildcard_data.friends