doAssert typeOf(1.int64 + 1.int) is int64
doAssert typeOf(1.uint64 + 1.uint) is uint64
doAssert int64 is SomeNumber
doAssert int64 is (SomeNumber and not(uint32|uint64|uint|int))
doAssert int64 is (not(uint32|uint64|uint|int))
doAssert int isnot int64
doAssert int64 isnot int
var myInt16 = 5i16
var myInt: int
doAssert typeOf(myInt16 + 34) is int16    # of type `int16`
doAssert typeOf(myInt16 + myInt) is int   # of type `int`
doAssert typeOf(myInt16 + 2i32) is int32  # of type `int32`
doAssert int32 isnot int64
doAssert int32 isnot int