Use constexpr when makes sense

[stockfish] / src / movegen.h

diff --git a/src/movegen.h b/src/movegen.h
index 825605704c920ebd52220ae4b63ec9b35ecf66a3..daee502d8ccfae5badf28894f28f1fc38317c1c9 100644 (file)
--- a/src/movegen.h
+++ b/src/movegen.h
@@ -45,7 +45,7 @@ struct ExtMove {
 
   // Inhibit unwanted implicit conversions to Move
   // with an ambiguity that yields to a compile error.
-  operator float() const;
+  operator float() const = delete;
 };
 
 inline bool operator<(const ExtMove& f, const ExtMove& s) {