Refactor time info, update zobrist to tuple struct, naming and clippy

src/search/iterative_deepening.rs

@@ -9,25 +9,26 @@ use crate::{
 
 use super::{
     negamax,
-    time::{hard_limit, TimeInfo},
+    time::TimeInfo,
 };
 
 pub fn iterative_deepening(
     game: &mut Game,
     max_depth: u8,
-    time_info: &TimeInfo,
+    time: &TimeInfo,
 ) -> anyhow::Result<Option<Move>> {
     let mut best_move = None;
 
     for depth in 1..=max_depth {
-        if hard_limit(time_info.instant, time_info.time, time_info.inc) {
+        if time.exceed_hard_limit() {
             return Ok(best_move);
         }
 
         let mut nodes = 0;
-        let score = negamax::negamax(game, MIN_SCORE, MAX_SCORE, depth, 0, time_info, &mut nodes);
+        let score = negamax::negamax(game, MIN_SCORE, MAX_SCORE, depth, 0, time, &mut nodes);
 
-        if score.is_err() {
+        if let Err(e) = score {
+            write_response(&mut io::stdout(), &Response::Info(format!("{e}")))?;
             break;
         }
 
@@ -37,9 +38,9 @@ pub fn iterative_deepening(
             &mut io::stdout(),
             &log_depth_results(
                 depth,
-                time_info.instant.elapsed().as_millis() as u64,
+                time.instant.elapsed().as_millis() as u64,
                 nodes,
-                time_info.nps(nodes),
+                time.nps(nodes),
                 score?,
                 best_move,
             ),