+%% @doc Tail-recursive equivalent of lists:map/2
+%% @end
+-spec map([A], fun((A) -> (B))) ->
+ [B].
+map(Xs, F) ->
+ map(Xs, F, 0).
+
+-spec map([A], fun((A) -> (B)), non_neg_integer()) ->
+ [B].
+map([], _, _) ->
+ [];
+map([X1], F, _) ->
+ Y1 = F(X1),
+ [Y1];
+map([X1, X2], F, _) ->
+ Y1 = F(X1),
+ Y2 = F(X2),
+ [Y1, Y2];
+map([X1, X2, X3], F, _) ->
+ Y1 = F(X1),
+ Y2 = F(X2),
+ Y3 = F(X3),
+ [Y1, Y2, Y3];
+map([X1, X2, X3, X4], F, _) ->
+ Y1 = F(X1),
+ Y2 = F(X2),
+ Y3 = F(X3),
+ Y4 = F(X4),
+ [Y1, Y2, Y3, Y4];
+map([X1, X2, X3, X4, X5 | Xs], F, Count) ->
+ Y1 = F(X1),
+ Y2 = F(X2),
+ Y3 = F(X3),
+ Y4 = F(X4),
+ Y5 = F(X5),
+ Ys =
+ case Count > ?RECURSION_LIMIT
+ of true -> map_slow(Xs, F)
+ ; false -> map (Xs, F, Count + 1)
+ end,
+ [Y1, Y2, Y3, Y4, Y5 | Ys].
+
+