init (method: AMethPropdef, mmodule: MModule)
	do
		self.method = method

		var recv_mtype = method.mpropdef.mclassdef.bound_mtype
		var csignature = method.mpropdef.mproperty.build_csignature(recv_mtype, mmodule, "___impl", long_signature, from_c_call_context)

		super( csignature )
	end