debug only

zig-ecs/src/ecs/groups.zig

@@ -139,6 +139,7 @@ pub const OwningGroup = struct {
     }
 
     fn validate(self: OwningGroup, comptime Components: var) void {
+        if (std.builtin.mode == .Debug and self.group_data.owned.len > 0) {
             std.debug.assert(@typeInfo(Components) == .Struct);
 
             inline for (@typeInfo(Components).Struct.fields) |field| {
@@ -147,6 +148,7 @@ pub const OwningGroup = struct {
                 std.debug.assert(found != null);
             }
         }
+    }
 
     pub fn getOwned(self: OwningGroup, entity: Entity, comptime Components: var) Components {
         self.validate(Components);