1 files changed, 0 insertions, 49 deletions
diff --git a/src/nbc/gene.sml b/src/nbc/gene.sml
deleted file mode 100644
index 738e3fe..0000000
--- a/src/nbc/gene.sml
+++ /dev/null
@@ -1,49 +0,0 @@
-signature GENE = sig
-	val reverse: string -> string
-	val first: int -> string
-	val next: string -> string option
-end
-
-structure Gene :> GENE = struct
-	fun reverse s =
-		let
-			val n = size s
-			val m = n - 1
-			fun opposite c = case c of
-				#"A" => #"T"
-				| #"T" => #"A"
-				| #"C" => #"G"
-				| #"G" => #"C"
-				| _ => c
-		in
-			CharVector.tabulate (n, fn i => opposite (String.sub (s, m - i)))
-		end
-	fun first order = CharVector.tabulate (order, fn _ => #"A")
-	fun next nmer =
-		let
-			val order = size nmer
-			fun finish (rightmostNonT, replacement) = CharVector.tabulate (
-				order
-				, fn index =>
-					case
-						Int.compare (
-							index
-							, rightmostNonT
-						)
-					of
-						LESS => String.sub (nmer, index)
-						| EQUAL => replacement
-						| GREATER => #"A"
-			)
-			fun continue index =
-				if index < 0 then NONE
-				else case String.sub (nmer, index) of
-					#"A" => SOME (finish (index, #"C"))
-					| #"C" => SOME (finish (index, #"G"))
-					| #"G" => SOME (finish (index, #"T"))
-					| #"T" => continue (index - 1)
-					| _ => raise Fail "Invalid base"
-		in
-			continue (size nmer - 1)
-		end
-end