# Generate subject init.
	private fun gen_init(mclassdef: MClassDef): Writable do
		if mclassdef.mclass.arity == 0 then
			return "\t\tvar subject: {mclassdef.name}"
		end
		return "\t\tvar subject: {mclassdef.name}[{mclassdef.bound_mtype.arguments.join(", ")}]"
	end