1 files changed, 16 insertions, 0 deletions
diff --git a/Quantity.lua b/Quantity.lua
new file mode 100644
index 0000000..b0fbe81
--- /dev/null
+++ b/Quantity.lua
@@ -0,0 +1,16 @@
+local Quantity
+
+
+local metatable = {
+	__tostring = function (self)
+		return ("Quantity{%d, %q}"):format(self.amount, self.material)
+	end,
+}
+
+
+function Quantity (obj)
+	return setmetatable({amount=obj.amount or obj[1], material=obj.material or obj[2]}, metatable)
+end
+
+
+return Quantity