xdata: Improve an error message slightly

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/src/gamestate.rs b/src/gamestate.rs
index ffdcf01b243eb2261d832b271d9287556e86ebf3..cedfe6b4c9d31508dc8278390239448994ca9074 100644 (file)
--- a/src/gamestate.rs
+++ b/src/gamestate.rs
@@ -309,7 +309,7 @@ fn xdata_unexpected<T:PieceXData>(got: &dyn PieceXData) -> InternalError {
   internal_logic_error(format!(
     "\n\
      piece xdata unexpectedly: {:?}\n\
-     expected something like:  Some({:?})\n",
+     expected something like:  {:?}\n",
     &got, T::dummy(),
   ))
 }