static if(!(is(TypeTuple!(__traits(getMember, T, M)))))
static if(!(!isPublicMember!(T, M)))
static if(!(!isNonStaticMember!(T, M)))
static if(!(!is(typeof(__traits(getMember, T, M)))))
static if(!(is(typeof(__traits(getMember, T, M)) == void)))
static if(!__traits(compiles, testAssign!()()))