Added 'reversed' method for lists.

2 files changed, 14 insertions, 0 deletions

diff --git a/containers.lua b/containers.lua
index 8f34e73..e706831 100644
--- a/containers.lua
+++ b/containers.lua
@@ -225,6 +225,17 @@ local _list_mt = {
         end
         return _accum_0
       end)())
+    end,
+    reversed = function(self)
+      return List((function()
+        local _accum_0 = { }
+        local _len_0 = 1
+        for i = #self, 1, -1 do
+          _accum_0[_len_0] = self[i]
+          _len_0 = _len_0 + 1
+        end
+        return _accum_0
+      end)())
     end
   },
   __newindex = function(self, k, v)
diff --git a/containers.moon b/containers.moon
index 2a9ee4b..6fa9ecb 100644
--- a/containers.moon
+++ b/containers.moon
@@ -88,6 +88,9 @@ _list_mt =
             start = (n+1-start) if start < 0
             stop = (n+1-stop) if stop < 0
             return List[@[i] for i=start,stop]
+
+        reversed: => List[@[i] for i=#@,1,-1]
+
     -- TODO: remove this safety check to get better performance?
     __newindex: (k,v)=>
         assert type(k) == 'number', "List indices must be numbers"