template nullCheck(T, string name, string reverseStr)
static if(is(typeof(T.init is null)))
=
"
if (this." ~ name ~ " is null && _AutoDataOther." ~ name ~ " is null)
{ /* skip */ }
else
if (this." ~ name ~ " is null && _AutoDataOther." ~ name ~ " !is null)
return " ~ reverseStr ~ "(-1);
else
if (this." ~ name ~ " !is null && _AutoDataOther." ~ name ~ " is null)
return " ~ reverseStr ~ "( 1);
else";