我有代码:templatevoidloadBrush_sub_impl(){//dosomeworkhere}templatevoidloadBrush_sub(){loadBrush_sub_impl();loadBrush_sub();}templatevoidloadBrush_sub(){}//BasicBrush,BinaryBrush,SketchBrush,BasicEraserandMaskBasedareclassloadBrush_sub();编译时这是正确的。但是，我真的很想删除void在通话中loadBrush_sub();.但是，这会导致:..\CanvasE