Add table.count

cf-lib/util/table.lua

@@ -93,3 +93,14 @@ function table.trim(target)
         return v ~= nil
     end)
 end
+
+--- Counts the entries of given table.
+--- @param target table Table to count
+--- @return number Amount of entries
+function table.count(target)
+    local count = 0
+    for _ in pairs(target) do
+        count = count + 1
+    end
+    return count
+end