Add example for `array/reject()`
Add example for `array/reject()`

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