Add table.count

cf-lib/util/table.lua

@@ -92,4 +92,15 @@ function table.trim(target)
     return table.filter(target, function(v)
         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