REBOL [ title: "Tic Tac Toe" date: 26-mar-2018 file: %tic-tac-toe.r purpose: { A 5 minute response to: https://blog.plan99.net/reacts-tictactoe-tutorial-in-kotlin-javafx-715c75a947d2 } ] win?: func [f] [ f/text: either turn: not turn ["X"]["O"] show f lay: copy "" repeat i 9 [do rejoin ["append lay b" i "/text"]] wx: [{xxx??????}{???xxx???}{??????xxx}{x??x??x}{??x?x?x??}{x???x???x}] foreach i wx [if find/any lay i [alert "X wins"]] wo: [{ooo??????}{???ooo???}{??????ooo}{o??o??o}{??o?o?o??}{o???o???o}] foreach i wo [if find/any lay i [alert "O wins"]] ] turn: false view center-face layout [ style b btn 50x50 font-size 30 " " [win? face] b1: b b2: b b3: b return b4: b b5: b b6: b return b7: b b8: b b9: b ]