Small refactoring

src/wiola/wiola.lua

@@ -7,7 +7,7 @@
 --local getdump = require("debug.vardump").getdump
 
 local _M = {
-    _VERSION = '0.9.0',
+    _VERSION = '0.9.1',
 }
 
 _M.__index = _M
@@ -18,27 +18,6 @@ setmetatable(_M, {
     end
 })
 
----
---- Return index of obj in array t
----
---- @param t table array table
---- @param obj any object to search
---- @return index of obj or -1 if not found
----------------------------------------------------
-local arrayIndexOf = function(t, obj)
-    if type(t) == 'table' then
-        for i = 1, #t do
-            if t[i] == obj then
-                return i
-            end
-        end
-
-        return -1
-    else
-        error("table.indexOf expects table for first argument, " .. type(t) .. " given")
-    end
-end
-
 local wamp_features = {
     agent = "wiola/Lua v" .. _M._VERSION,
     roles = {
@@ -619,7 +598,7 @@ function _M:receiveData(regId, data)
         else
             local realm = dataObj[2]
 
-            if arrayIndexOf(config.realms, realm) < 0 and config.realms[1] ~= "*" then
+            if not has(config.realms, realm) and config.realms[1] ~= "*" then
                 -- WAMP SPEC: [ABORT, Details|dict, Reason|uri]
                 self:_putData(session, {
                     WAMP_MSG_SPEC.ABORT,