From 0e65b4f92763221b39ec05ea4363e5c56a40de84 Mon Sep 17 00:00:00 2001
From: Paul-Nicolas Madelaine <pnm@pnm.tf>
Date: Sun, 19 Oct 2025 15:20:01 +0200
Subject: [PATCH] fix ascii methods

---
 src/board.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/board.rs b/src/board.rs
index 8e12050..85b4ff4 100644
--- a/src/board.rs
+++ b/src/board.rs
@@ -128,7 +128,7 @@ impl File {
 
     #[inline]
     pub fn from_char(file: char) -> Option<Self> {
-        Self::from_ascii(file as u8)
+        Some(Self::from_ascii(u8::try_from(file).ok()?)?)
     }
 
     #[inline]
@@ -208,7 +208,7 @@ impl Rank {
 
     #[inline]
     pub fn from_char(rank: char) -> Option<Self> {
-        Self::from_ascii(rank as u8)
+        Some(Self::from_ascii(u8::try_from(rank).ok()?)?)
     }
 
     #[inline]