max skills

server/src/cryp.rs

@@ -359,6 +359,12 @@ pub fn cryp_spawn(params: CrypSpawnParams, tx: &mut Transaction, account: &Accou
 
 pub fn cryp_learn(params: CrypLearnParams, tx: &mut Transaction, account: &Account) -> Result<Cryp, Error> {
     let mut cryp = cryp_get(tx, params.id, account.id)?;
+
+    let max_skills = 4;
+    if cryp.skills.len() >= max_skills {
+        return Err(format_err!("cryp at max skills ({:?})", max_skills));
+    }
+
     cryp = cryp.learn(params.skill);
     return cryp_write(cryp, tx);
 }

server/src/game.rs

@@ -747,7 +747,7 @@ mod tests {
     use cryp::*;
 
     fn create_test_game() -> Game {
-        let x = Cryp::new()
+        let mut x = Cryp::new()
             .named(&"pronounced \"creeep\"".to_string())
             .level(8)
             .learn(Skill::TestStun)