From 7c74d45618d17a2148f4aeb6dfbf85983e59fb56 Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Tue, 4 Feb 2025 15:49:06 -0500
Subject: [PATCH] improve manual agent code

---
 src/agent.rs | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/src/agent.rs b/src/agent.rs
index 15b5ee9..d87e729 100644
--- a/src/agent.rs
+++ b/src/agent.rs
@@ -16,21 +16,22 @@ impl Agent for ManualAgent {
     fn next_move(&mut self, _: &Board) -> Option<(usize, usize)> {
         let stdin = io::stdin();
         let mut input = String::new();
-        let mut got: Option<(usize, usize)> = None;
-        while got.is_none() {
+        loop {
             input.clear();
             stdin.lock().read_line(&mut input).ok()?;
-            let numbers = input
+
+            let got = input
                 .split_whitespace()
-                .map(|i| i.parse::<usize>().ok())
-                .collect::<Option<Vec<usize>>>();
-            if let Some(numbers) = numbers {
-                if numbers.len() == 2 {
-                    got = Some((numbers[0], numbers[1]));
-                }
+                .map(str::parse)
+                .map(Result::ok)
+                .collect::<Option<Vec<_>>>()
+                .and_then(|x| -> Option<[usize; 2]> { x.try_into().ok() })
+                .map(|x| (x[0], x[1]));
+
+            if got.is_some() {
+                return got;
             }
         }
-        got
     }
 
     fn name(&self) -> &'static str {