| x y | x := 2.0. [x > 0] whileTrue: [x := x / 2]. y := -2.0. [y < 0] whileTrue: [y := y / 2]. (x = 0.0) -> (x = y) -> ((x basicAt: 1) = (y basicAt: 1))
printIt returns true->true->false and: x = 0.0 and y = -0.0 the negative 0.0 https://en.wikipedia.org/wiki/Signed_zero <https://urldefense.proofpoint.com/v2/url?u=https-3A__en.wikipedia.org_wiki_Signed-5Fzero&d=BQMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=oQmY7z9BeClneFUFwUmfhw&m=hY7R4pGWtENWwmCyFy5h93eS-OMgGcrbDI_b3sfRj5A&s=siXDwdZHyFmYQz922rYKNZ7YJundHc6mGN34VR5afD0&e=>
