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Diffstat (limited to 'lib/game/all-mills.fnl')
-rw-r--r-- | lib/game/all-mills.fnl | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/game/all-mills.fnl b/lib/game/all-mills.fnl new file mode 100644 index 0000000..e5b3d2b --- /dev/null +++ b/lib/game/all-mills.fnl @@ -0,0 +1,25 @@ +(local {: mill-at? } (require :lib.game.mill)) +(local {: mills } (require :lib.constants)) + +(fn toggle-player [p] (if (= p 1) 2 1)) + +(fn only-player-moves [moves player] + (icollect [_ move (ipairs moves)] (if (= move player) player 0))) + +(fn all-moves-are-mills? [player moves] + (accumulate [result true + i m (ipairs moves) ] + (and result (if (= m 0) true (mill-at? mills moves i))))) + +(fn all-mills? [all-moves current-player] + (->> current-player + (toggle-player) + (only-player-moves all-moves) + (all-moves-are-mills? current-player))) + +{: all-mills? + ;; do not use; just for testing: + : toggle-player + : only-player-moves + : all-moves-are-mills? + } |