net.dns: remove unused one-letter loop variables [luacheck]

diff --git a/net/dns.lua b/net/dns.lua
index 689020a47a792e986fc95ad01546c654eca25a1e..4a35fc1be79640660c374d1239910ec8bb253f08 100644 (file)
--- a/net/dns.lua
+++ b/net/dns.lua
@@ -190,7 +190,7 @@ end
 local rrs_metatable = {};    -- - - - - - - - - - - - - - - - - -  rrs_metatable
 function rrs_metatable.__tostring(rrs)
        local t = {};
-       for i,rr in ipairs(rrs) do
+       for _, rr in ipairs(rrs) do
                append(t, tostring(rr)..'\n');
        end
        return table.concat(t);
@@ -841,7 +841,7 @@ function resolver:receive(rset)    -- - - - - - - - - - - - - - - - -  receive
        rset = rset or self.socket;
 
        local response;
-       for i,sock in pairs(rset) do
+       for _, sock in pairs(rset) do
 
                if self.socketset[sock] then
                        local packet = sock:receive();
@@ -852,7 +852,7 @@ function resolver:receive(rset)    -- - - - - - - - - - - - - - - - -  receive
                                        --print('received response');
                                        --self.print(response);
 
-                                       for j,rr in pairs(response.answer) do
+                                       for _, rr in pairs(response.answer) do
                                                if rr.name:sub(-#response.question[1].name, -1) == response.question[1].name then
                                                        self:remember(rr, response.question[1].type)
                                                end
@@ -894,7 +894,7 @@ function resolver:feed(sock, packet, force)
                --print('received response');
                --self.print(response);
 
-               for j,rr in pairs(response.answer) do
+               for _, rr in pairs(response.answer) do
                        self:remember(rr, response.question[1].type);
                end