improve array/range specs
improve array/range specs

mout/mout,millermedeiros/mout,MathiasPaumgarten/mout,MathiasPaumgarten/mout,ChristianGrete/mout,Oyamasiphula/mout,mout/mout,millermedeiros/mout,Oyamasiphula/mout,ChristianGrete/mout,stevemao/mout,stevemao/mout