feat: interactively play in main loop

1 files changed, 6 insertions, 6 deletions

diff --git a/src/square.rs b/src/square.rs
index f26ed4d..e518a92 100644
--- a/src/square.rs
+++ b/src/square.rs
@@ -52,7 +52,7 @@ impl Square {
         Self::from(*self as u8 + 1)
     }
 
-    pub fn from_notation(chars: &mut Chars) -> Self {
+    pub fn from_notation(chars: &mut Chars) -> Result<Self, String> {
         let file = match chars.next() {
             Some(ch) => {
                 match ch {
@@ -64,22 +64,22 @@ impl Square {
                     'f' => 5,
                     'g' => 6,
                     'h' => 7,
-                    _ => panic!("Incorrect file!")
+                    _ => return Err(String::from("Incorrect file!"))
                 }
             },
-            None => panic!("Missing file"),
+            None => return Err(String::from("Missing file"))
         };
         let rank = match chars.next() {
             Some(ch) => {
                 match ch.to_digit(10) {
                     Some(digit) => digit - 1,
-                    None => panic!("Incorrect rank")
+                    None => return Err(String::from("Incorrect rank"))
                 }
             }
-            None => panic!("Missing rank")
+            None => return Err(String::from("Missing rank"))
         };
 
-        Self::from_coords(rank as u8, file)
+        Ok(Self::from_coords(rank as u8, file))
     }
 }