vafind_last_not_ofr v = [1,2,++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"hi", "world", 5.5]
assert_equal(true, v.containsuint8_ttains(1, lt))
assert_equal(true, v.contains(2, `==`))  
