Remove unused variable

1 files changed, 3 insertions, 8 deletions

diff --git a/lib/resty/cookie.lua b/lib/resty/cookie.lua
index dfb8f8a..2f2bd77 100644
--- a/lib/resty/cookie.lua
+++ b/lib/resty/cookie.lua
@@ -15,10 +15,10 @@ local SEMICOLON     = byte(";")
 local SPACE         = byte(" ")
 local HTAB          = byte("\t")
 
-
+-- table.new(narr, nrec)
 local ok, new_tab = pcall(require, "table.new")
 if not ok then
-    new_tab = function (narr, nrec) return {} end
+    new_tab = function () return {} end
 end
 
 local ok, clear_tab = pcall(require, "table.clear")
@@ -31,9 +31,6 @@ local _M = new_tab(0, 2)
 _M._VERSION = '0.01'
 
 
-local mt = { __index = _M }
-
-
 local function get_cookie_table(text_cookie)
     if type(text_cookie) ~= "string" then
         log(ERR, format("expect text_cookie to be \"string\" but found %s",
@@ -105,7 +102,7 @@ function _M.new(self)
         --return nil, "no cookie found in current request"
     --end
     return setmetatable({ _cookie = _cookie, set_cookie_table = new_tab(4, 0) },
-        mt)
+        { __index = self })
 end
 
 function _M.get(self, key)
@@ -120,8 +117,6 @@ function _M.get(self, key)
 end
 
 function _M.get_all(self)
-    local err
-
     if not self._cookie then
         return nil, "no cookie found in the current request"
     end