Excised contribution relevant to this: https://github.com/LuxLang/lux/pull/35

1 files changed, 0 insertions, 21 deletions

diff --git a/stdlib/source/lux/math/random.lux b/stdlib/source/lux/math/random.lux
index ffb7bc592..b73e7df02 100644
--- a/stdlib/source/lux/math/random.lux
+++ b/stdlib/source/lux/math/random.lux
@@ -293,24 +293,3 @@
                             (i64.xor (i64.left-shift 14 s01)))
                         (i64.rotate-left 36 s01)]))
      ("lux i64 +" s0 s1)]))
-
-(def: (swap from to vec)
-  (All [a] (-> Nat Nat (Row a) (Row a)))
-  (|> vec
-      (row.put to (maybe.assume (row.nth from vec)))
-      (row.put from (maybe.assume (row.nth to vec)))))
-
-(def: #export (shuffle seed row)
-  {#.doc "Shuffle a row randomly based on a seed value."}
-  (All [a] (-> Nat (Row a) (Row a)))
-  (let [_size (row.size row)
-        _shuffle (monad.fold Monad<Random>
-                             (function (_ idx vec)
-                               (do Monad<Random>
-                                 [rand nat]
-                                 (wrap (swap idx (n/% _size rand) vec))))
-                             row
-                             (list.indices _size))]
-    (|> _shuffle
-        (run (pcg-32 [123 seed]))
-        product.right)))